Why is my prius engine shaking and knocking but then. Anas Al-Mustafa Discussion starter.

Why is my prius engine shaking and knocking but then Cleaned the injectors, Intake manifold, throttle body, egr valve all cleaned. Conclusion. 99 - $132. It doesn't do the cold knock currently, but it happened in the past a few times. Each time I clean or replace something it runs fine for maybe a day or so, then the same death rattle occurs. My car was shaking & jerking at any cruising speed, fast or slow. Another possibility Definition of Engine Knock. After running the engine for 30 - 45 seconds it operated normally. Cleaned 2010 Prius, can’t figure out why it’s knocking I replaced timing chain and tensioner and guides spark plugs and coils You can get a used engine for around $1500 if OP did all of that work on his own then I’m sure replacing the engine would not be a difficult fix and would be a lot cheaper that buying a new or new used car. If it neglected too long it can cause a strain in other parts of your vehicle. Then vibration got bad and i can see the check engine light turned on. Lately it has had a nasty fit of shaking/knocking upon engine startup, but not every time it starts, maybe 5% of the time. Got the car out of the garage today for the first time in a fortnight and engine started just as quietly as normal about a minute after i started reversing the car out. 3. If you have a check engine light blinking and a car shaking, you likely have an engine misfire. I had the clatter, knocking, judder when the engine started up. Check Details. It was about 25 degrees out. After starting my Prius the engine was knocking and shaking. The engine knock appeared in cold and warm weather. Unfortunately, it may take more than one repair session. Got home and my husband got in to drive it. not a very exclusive club. It releases exhaust gasses behind the car, scrubs pollutants via the catalytic converter, and helps the engine adjust the air/fuel mixture via O2 sensors. The most common cause of engine knock is either the wrong fuel type in your car or a bad knock sensor. Toggle navigation. Before trying to figure out what is causing your Prius to feel like a washer full of towels, make sure the check engine light isn’t on. Note, that the car ran smoothly, the engine wasn't doing anything strange, and the idle was normal. My 2011 Prius (130k miles) has an intermittent loud vibration / rattle when the engine first turns on after being parked and not started for a couple of days. Prius app which showed my hybrid battery at 30% charged. This video explains what to do to solve the problem of engine knocking in toyota prius cars specifically 3rd generation. This oil goes thru the intake then is burned and recirculated thru the egr and intake again. Hello, new to the forum, but have read a lot of threads during my search of my problem with the Prius V. Knocking from the engine is pretty In the video, my text says "engine knocking" but my mechanic suspects this could be cam phaser related. It's only coming when the engine is nice and warm. You can plug in a compatible code scanner to read these codes. Why is my 2013 Toyota Prius engine shaking when I start it? Any unusual shaking or vibrating forces coming from the engine is cause for concern. Then you've most likely carbon build up on the valves. The more cylinders an engine possesses, the more power the To follow up, we took the 2011 Prius with the engine light and knocking sound from under the hood, to the Toyota dealership today for a diagnosis. Improper and untimely mixing of air and fuel 2. When a coil on plug ignitor fails it makes a G2 engine sound really bad shaking and knocking. Drpepper99uk. The last possibility my local Toyota Service centre offered was that it could be a misfire causing damper plate noise. Eventually after Why Is My Car Knocking And Shaking? Another symptom could be misfiring or a vibration. Then it will mix with the compressed air inside the piston chamber and then ignite. I had a spark plug and ignition coil burn up. Even newer models that should include the fix are still knocking why bother since I don't see it happen anymore. Your motor mounts sit between your engine and the body of your vehicle. I started my 2006 Prius this morning and after I had backed up a couple of feet, all of a sudden it started shaking just like my washer with an unbalanced load on spin cycle. Turned the power back on, and after a few seconds, the shaking and knocking started, then it became pretty loud (I would describe violent??) then the check engine light came on. If the engine “jumps,” then you have faulty motor mounts. Answered by. 52: 2016 Toyota Prius L4-1. 4. Come join So after having the prius sit for roughly a few hours, i start up the car and i heard really loud knocking noise and the engine shaking violently and I felt the car also shaking a bit too as a result of this i immediately turned off the car. Inspect and replace spark plugs: Faulty or worn-out spark plugs can cause engine misfires, leading to shaking. Each engine whether it be a Diesel or gas powered, has cylinders. Skip to main content. Your Prius’s exhaust must pass through the catalytic converter to get to the tailpipe. Air or Vacuum Hose — Another common cause for engine vibration and power loss is when air or vacuum hoses come loose, begin to leak, or rupture. All three can cause your Prius to jerk while accelerating. Following this procedure I have not had any issues with knocking at startup. I have changed the 4 plugs. 49: 2004 Toyota Prius L4-1. Then it shut down and tried again with the same result. Posted January 1 Luckily, a knocking engine is often quite easy to repair. Check and locate the vicinity of the rattling and I did my cleaning at 125k it was severely plugged and it never misfired at all. However, here are some general steps that can help address the issue: Check the Trouble Code: A blinking Check Engine Light typically indicates a severe problem with the engine. 3 posts · Joined 2015 Add to quote; Only show this user #1 · Jun 11, 2015. A. • Initially runs rough. Time for new spark plugs. Check engine light is blinking which describes misfire. Typically this happens when car started, driven a short distance, shut off before completion of warmup cycle and then cold-soaked overnight. When I went to replace it the spark plug hole threads were stripped. The Hey everyone. So like 10-30MPH. Got it changed last month finally and now I see a little oil leak. New ignition coils, Still rough. Then the exhaust, EGR and then head bolts come out and the head comes off. I have put 4k My Prius had some shaking and knocking sounds from the engine (it felt and sounded as if I had a flat tire) while I was driving. When the petrol engine starts there is a bit of a ”rumbling” sound, that is a good word for it in my opinion. The weather had just gotten chilly. Faulty Spark Plug Wires. It is Last week I started the car and it shook badly, opened hood and saw engine shaking, shut off engine, then started it back up and it went back to normal running. We turned off the power at a stop light. My point is everyone loves to call HG immediately when that often isn’t the case. If they are disconnected, the engine result in vibrations I can only speak to the Gen3 Prius, but on mine if I turn on the heater when the engine is colder than 135F the engine will continuously run until it hits around 135F. Engine knocking is a common problem that occurs when the fuel in your car’s engine detonates prematurely. A few weeks ago, I went to work one morning and parked my car in a store shopping lot for about half an hour. I have 2011 Prius Base, 137K. For this reason I never turn off the car until the ICE does its normal shutdown. There are a lot of reasons why your Prius may shake when idle. The pvc system was designed to low on the block causing the intake to pickup oil (never should go over 3/4 on dipstick). Troubles with the engine itself. Insufficient and inaccurate compression 4. Just before i traded in my 2009 Gen 3 Prius about 6 weeks ago, i had this engine knock you describe, after leaving the car in the drive unused for around 5 days in the bitter cold weather we had recently. I initially thought the same thing, bad gas and then went with 93 octane and fuel cleaner. My Prius just started shaking out of nowhere so I found this site and all the people having the same issues as me. I had a 2010 toyota prius last year which had Engine Knocking problem at startup in cold/warm weather and it Welcome to the engine knock club. It goes away once the speed in over 10mph. I drove very slowly. Cleaned the Throttle Body. Why Is My Car Engine Shaking? It’s normal for your engine to vibrate slightly while driving because of the movement of the transmission gears, crankshaft, and other vital components. An engine can shake for a variety of reasons, including problems with your brake systems, such as faulty brake rotors and brake calipers. Regular maintenance: Keep up with your car’s scheduled maintenance, including oil changes, filter replacements, and tune-ups, to ensure optimal performance and prevent shaking issues. Maybe something to do with the coolant in the heater core. Let’s begin with a quick overview of the common causes: Causes of Engine Knock. So, if I came to a stop light it wouldn't shut off until it hit around135F. 225,000 miles. I started up my Gen-3 this morning (it's somewhat cold - 25 degrees) and the engine was shaking really badly as soon as it tried to kick on. The solution for a Kia Optima shaking when idle might be different from a Prius engine shaking while starting. 99: Shop/Dealer Price $105. It never returns again until next startup. See example videos: Knocking at idle (Knocking Noise starts at ~19 seconds into the video): In general, if the check engine light is flashing and the car is shaking then there is a problem with one or more engine components. 2013 Prius, my son's car, lately it violently shakes at start up. My wifes 2013 Prius V we purchased new, it has Forums. prius, knock and rattle but still runs. " As I backed out of the garage, the engine shut down again and the triangle and the other lights appeared. Make sure you only remove the cap when the engine is cold. 01 - $112. Concerned I 05 Prius Engine Shaking/Knocking. Unorgan This video explains what to do to solve the problem of engine knocking in toyota prius cars specifically 3rd generation. No problems with my engine. why a diesel engine makes knocking sounds when idling. It fixed the Cylinder 2 misfires, which was caused Something is wrong and maybe some codes will show. This is the pipe between the EGR valve and the intake manifold. Engine Toyota Prius Engine Knocking Solved. Clogged Catalytic Converter. That’s a great place to start. Why is there a knocking sound coming from my engine? Knocking engine sound coming why thereWhat is engine knock? Engine knocking: causes and fixes explainedEngine knock mechanism knocking ignition factors peril hidden bikeadvice. My 2010 Prius currently has about 180k miles on it. Fast forward a few months, starting in may, the engine started shaking again. I have a Prius Gen 3 with 206K, and am suffering from extreme engine shake at ICE startup. A forum community dedicated to Toyota Prius owners and enthusiasts. They recommended plugs, coils, EGR cooler and valve. In this article, I will talk about the most common causes of engine knocking and how you can fix the issue. I got a quote over the phone of 3500-5000 for engine rebuild and the guys said once you decide to put 4k into it, you’ll need another 4k for the battery, then 4k for a catalytic converter. When this occurs, the engine will stumble and run rough, sounding as if it is misfiring. When you feel that the shaking and vibration are coming from the engine compartment, you should focus on the engine itself because it could be the culprit. They'll point you in the right direction. I hope it helps someone out there having the same One of the most disconcerting sounds that you can hear coming from your Toyota Prius is the engine knocking. I even had the problem when running 75% water, 25% antifreeze. 160K miles and I would have rough knocking first thing in the morning that would subside after about 20-30 seconds and then the car would be just fine the rest of the day. Put it back on and car was knocking and shaking, I took it back off turned the spring around and it stopped all the shaking and knocking. Also paying attention to symptoms. Seems like Toyota dealerships were offering this revised intake when owners complained about cold start knocking (and/or had egr blockage code), then it quieted down. My Prius v has been making a very similar noise. Then it sat for 2 days). Here is a video of what it sounds and looks like: Update 10-16-15 See attached Techstream Capture File Examples. It sounds like an oil starvation issue where the motor isn't receiving proper lubrication for the first few seconds (hence the audible knock), then once lubricated quiets down. The engine didn't throw any codes, but this seems really consistent with the conditions described in T-SB 0012-10 (I had moved the car to a closer parking spot and it started breifly but didn't warm up. She noticed issues driving homesome shaking. Didn't fix the shaking, so then I cleaned the EGR and intake manifold. Take a small basin and pour into around 2 liters of fuel, then wait for a couple of hours. My mpg remained the same. It sounds like it’s having trouble just running the engine. Not applicable to a Prius, but sounds like something caught in a traditional cooling fan. After that it ran fine all day, then that evening shook upon startup. Since it had about 70k miles on it, the engine started burning oil. It was quite alarming actually. Why is my engine knocking? (15 reasons why)How to fix car engine knocking Knock causes combustion lowWhy does my engine knock?. Nothing above or below. It sounds like you've got a conflict between the gasoline engine and MG1. Within a week or two, I replaced the EGR Valve, spark plugs, and coils. First, let’s look at the causes of why the engine of your Prius might be shaking at the start. 50/50 green antifreeze was good, no knock. Common causes of an engine knock. I mean the whole car was shaking big time. There are multiple reasons why your engine might be misfiring badly enough to cause a check engine light and shaking. I talk about when the knocking problem first appeared 2012 Prius Five, about 210k miles, one owner before us and well maintained. I’ve got this sound a few days after change a sway bar link that looked solid . If they dont have the machine to clean them then go somewhere else. As far as oil consumption, I'm hoping new PCV valve will help and if I can fix engine shaking install an oil "Car shaking" will happen if you've got a really rough idle, with misfires happening on several cylinders. Loosen the knock sensor with a If replacement head gasket doesn't work, I'll get a different car. Any used engine is likely to have a HG issue ir In this video I summarize my experience with engine knocking and rattling on the 3rd Gen Toyota Prius. The machine looks something like this. Best What you're describing is called a "spun bearing", and is causing a severe knocking between one of the connecting rods and the crankshaft. The reason behind the knock works like this: you had started the car the 1st time and moved it to the grass, wash it , then started it to move to another area ( then the knock started) : This is: the oil pressure has released the VVT locking pin after you started it the 1st time and moved the car. Prius battery test a month ago and the test came back in "new condition at 93%. The computer sets a code that tells you what is wrong when the Check Engine Light comes on. If it's cold, there is zero shaking or vibration. So I thought it was that once again. This can happen due to the following: 1. It has 2 DTC codes P0302, P0401. Like it's in gear and trying to go, with the brakes on. The good news is that you can be confident the rough idle issue is engine-related and you can focus all your troubleshooting in Since then, the check engine light has not come back on, but this noise recently started? The car has about 195,000 miles on it, mostly highway driving. The shaking at startup varies in intensity and seems worse on colder starts. "Some 2010 – 2011 model year Prius vehicles may exhibit one or more of the following conditions at initial engine start after cold soak in temperatures below 40 F (4. I had this happen once and it turned out that the rubber coupler between the air box and the top of the engine (intake) I've noticed occasionally on cold start the combustion engine has a terrible vibration and knocking that occurs for the first 1-2 seconds of ignition. mpg is much . I put my old rad cap on that no longer holds pressure and no knock, but put the new cap on and also no knock. Tapped and rethreaded and waited 24 hours before installing a new ignition coil and 4 new iridium spark plugs. We have a complete trouble code library that helps you to discern what’s Here are five of the most common causes of car engine knocking noises. I’m at the point where I just want it to run fine for a week or so so I can trade it in. 5 C): • MIL “ON” with Diagnostic Trouble Codes (DTCs) P0300, P0301, P0302, P0303. The fuel injector injects fuel from the fuel tank into the engine cylinders. (Is the check engine light on?) Just about every prius engine ive had roll into the shop for a knock like noise it was because of a engine misfire. . I don't think my car have this issue since it is 2012 and I believe Toyota fix this issue for 2012. 1AAuto. Engine knock mechanism knocking ignition factors peril hidden bikeadviceEngine combustion knocking process internal vector illustration causes fuel occurs des chamber exhaust stroke motor pinging four when heat piston Engine knocking – what is it, how can it damage your engine, and how toEngine why knock detonation knocking damage pressure My son has a 2010 Gen 3. In the Gen 2 world any issues with emissions systems at the gas tank were sometimes caused by people who continually top off the gas tank upon fueling and over fill the tank causing gas to spill out the fill hole and into I bought my 2012 Prius v with 99,000 miles. Even when there is nothing wrong with the engine, diesel engines are loud. Once the engine starts then MG1 should continue to spin at an appropriate RPM so that the engine can idle. If the fuel is free of water, there is nothing to change. First, we have to check the O-rings on the top and bottom of the fuel injector as a leaky fuel injector will fail to deliver sufficient fuel to the engine cylinder and could cause a misfire. 1) Lean Air-to-Fuel Mixture. Also, could anyone recommend a good brand for long-lasting coils? It's a noticeable shaking feeling that goes away when the ICE turns itself off like it's supposed to during a lengthy idle or if I begin to accelerate. Swapping the plugs was likely just enough to change its environment and caused the failure. ( p0301 is back. Now the engine light is on. You can use a diagnostic tool to retrieve the trouble code, which will Update: the shaking/sputtering happens after I have been up to highway speeds and then slow down to city driving. Finally I put 50/50 HOAT and it was good. But if this vibration is more intense than usual and is accompanied by rattling noises from the engine compartment, then it’s a cause for concern. Now i have had engines knocking from a misfire that was caused by coolant leaking from the head into cyl no. Jump to Latest 35K views 1 reply 2 participants last post by mansoorch1 Jul 4, 2015. Driving it is very shaky as I gas it at all. My 2010 Prius has starting to shudder and vibrate a bit on occasion when starting to accelerate as in stop and go traffic. Because there is no way to my knowledge to "load" the engine up like a regular car (one foot on the brake, one foot on the gas), I could not duplicate the sound standing still to try and find the location. Took the magnet off and realised that the magnet had spung all the way up and not locked off and the spring was actually stuck inside the magnet, this didn't happen last Below are some of the most common causes of shaking when accelerating in a Toyota Prius: Engine. I used Dr. then stopped . Bad motor mounts. Then, locate the knock sensor near the oil filter underneath the car. Call your mechanic first and explain the situation, then follow the guidance you receive. A motor mount makes no sense, it's a small engine, runs fine, you could spin the engine like a gyroscope and it wouldn't cause shaking like this at high speeds, and feel like a wobble at 30 mph, increasing with the speed. The problem is likely a bad spark plug or ignition coil, so replacing these engine components should fix the problem. Remove the oil filter to access the knock sensor. Cleaned the entire EGR assembly. One guy here attempted to clean, then threw in the towel and replaced it with a lower milage one, bought on eBay I think. Prius is finicky about this and can be tricky to refill and bleed all of the air out. I went to my Toyota garage, but they cound'nt tell me what was wrong, so I did Then the valve cover, the cam train bolts, spinning the motor to TDC then locking the cam, taking the timing chain off, then the valve train. The only code they were running was a PO4 code. Been dealing with some depression and put off changing my cars oil and went a few thousand miles over the change mileage. Do not continue to drive with Common causes of the vibration you are describing include wheel bearing faults, wheel/tire assembly imbalance, and defective tires. An engine knock can be a sign of major engine problems. The engine will then make the knocking noise on the next startup if you let it sit for an hour or so. My car is a 2012 Gen3 prius with 93 000 miles in it. They absorb engine vibrations, making sure you don’t feel them inside the car, and they keep your engine attached to the vehicle. Hardest part for me was the egr. also after sitting parked a while. and access is awkward. It didn't clear the issue. It has 2 DTC codes P0302, P0401. One easy way to check the motor mounts is to open the engine bay and have someone rev the engine while you’re looking at it. It's a rough shudder back and forth. Toyota Prius Shaking When Idling Diagnosis Check for Codes. Last night my 2007 Prius engine started making noises in the engine area. It lasted for a few seconds and then cleared up, I assumed it was just a little moisture that was left from the cleaning. If the combustion process doesn’t get enough My 2007 Prius has the mileage of 171,000km and since around 3 years before I've sensed the knocking noise from engine, especially on acceleration at low speeds. Joined: Jul 10, 2015 Reminded me of out of balance wheels. The event last about 5-10 seconds. My observation is that the fuel injectors will spray badly at The knocking and shaking happens right when the ICE kicks in after I started up the car and then goes away in about 5 to 10 seconds or when I changed gears on the car. Not sure if I've heard it do it at speeds above that. Because if that falls off you will never know it and then the water pump stops working the engine will go into severe overheat and you will never know till you see the engine light come on. Once it settles down and the engine smooths out, I did notice the car settle back a little. The next opening I can find at a mechanic is two weeks away, but I need the car for work on Monday. Otherwise, you will see the water sink to the bottom, and the fuel will float on the surface. At low RPM this will cause the engine to shake. 99: Shop/Dealer Price $124. The It seemed to come from the passenger side of the engine compartment, although my wife said it sounded to her like the driver's side. Our Prius has done this shaking and rattling on start up a couple of times. So, let it set codes and diagnose them. I hope it helps someone out there having the same toyota prius engine knocking. MG1 is a 30hp electric motor, and that engine will be spun by it if it's running or not. Yesterday i took it for driveway, car runs smooth in higher speeds, when i stopped and started engine, from driver seat i could hear some water running through pipes, very loudly, then engine shaked again. $2600. D. I don't have any check engine light on. Least likely a sticky fuel injector. A lean air-to-fuel mixture is one of the most common causes of engine knocking. The three necessities for all combustion engines Can't see why that would cause the engine to rev and not go anywhere or kill the engine but it would throw a hybrid alarm. Then recently I saw on the interactive map that there's an event mark named "Howl Event" at -345, -103 so I figured that must've been what OP heard when they were in that location. Any Engine knocking is frequently caused by low oil, ignition issues, timing issues, rod bearings, or knock sensors. There are other possible reasons why the engine can be shaking. In a Toyota hybrid, spinning does not mean running. NOTE; I did a Dr. However problem of knocking sound was because the bolt on sway bar link was not fully tightened. To know more, you can also read our posts on why your engine is shaking, why your service engine soon light is on, and why your steering wheel is hard to turn. I also don’t exactly understand why mechanics go to replacing the engine with another 3rd gen Prius engine. Afterwards i turned on the car and the engine turned perfectly fine without the loud knocking. 5L Hybrid: Service type Engine is shaking, pulsating or vibrating Inspection: Estimate $94. Isn’t the whole engine design different on a Prius compared to a normal car? Engine knocking: what does it mean, causes, signs, how to fixAamco blog 2010 prius engine knocking6 causes of knocking sound from the engine. This is simply due to the fact that the only part moving while you’re stopped is the engine. I noticed that when it's shaking, the car surges a little. Took my Prius to the dealership and they said the noise was So I've had several brief periods of engine knocking on startup over the last couple months, but they went away and my 236k 2010 Prius drove fine afterwards. I kind of like waiting for it to start nowdays and enjoy the rumble. This map is up to date since the creator of it is in the Discord but idk, maybe it did change or the event is something completely different. The problem could lie with the fuel supply, a faulty ignition coil, bad spark plugs, or a bad engine sensor. If it is, get the trouble codes. Diagnosing a car that shakes when stopped or idling but not while driving is much easier than trying to figure out why it’s vibrating while accelerating. its getting less intermittent. Could be one cylinder was not firing. Their computer gave the same codes as O'Reillys- misfire of cylinder 3 and EGR valve. And I think TSB said it was due to intake manifold defective design causing misfire. Friends have told me it could be the exhaust or the engine. (video) Engine knocking ktmforum. I also cleaned everything connected to the EGR valve, except the intake manifold. The noise is pretty annoying and is not normal at all. Idk why it’s so damn hard to put back in. Common Reasons Why Your Engine Might Be Shaking The problem of a faulty injector could also be caused by a weak electrical connection between the injector and the ECU. When I started it, the engine was shaking badly and it sounded like something was knocking around inside. One of the first places to start when diagnosing shaking in a Toyota Prius is the engine. There is an issue with the fuel injectors. Learn how to diagnose this problem and fix it yourself with these expert tips. But if your not then this is a possibility For these cars. This seemed to fix the issue as the engine stopped shaking, and the check engine light went off. Then the check engine light started blinking. BOOM done! Now swap the head gasket and reverse. The engine is not producing knocking sounds, but older engine parts that require replacement or repair are making noise; The proper amounts of air and fuel that mix together inside the combustion chamber are not at the When I started the car for the first time after cleaning and reassembling, the motor was making some unusual noises, I would say its a knocking with really violent vibration and possible misfire. So bad coil for sure. There are instructions here on Prius Chat on changing The following are 10 reasons behind abnormal engine vibration: Worn engine mounts: Engine mounts keep the engine securely in place; over time, with normal wear and tear, they can start to deteriorate, which can cause vibrations. Motor mounts themselves are relatively cheap, but it can be an extensive labor process to replace them. This is for the cold/warm start knocking that lasts for a few seconds when you first start the car then disappears. Was showing Generic Missfire codes and missfire on cylinder 1, 3, 4. It seemed to have trouble switching between the ICE (engine) and electric motor. But a couple days ago, I was idling a lot waiting for my girlfriend to finish errands, and after another 30 minute idling session, my engine started knocking and shaking hard. Search Forums; Featured Threads; when it developed the Typically, if you're asking yourself, why is my engine shaking, you might be dealing with one of the following issues: 1. The spark The Toyota Prius is a popular hybrid vehicle that uses both an electric motor and a gasoline engine to power its wheels. Started horribly knocking, shaking a few weeks ago. If I'm speeding the noise stops. I haven't been driving the car at all. Misfiring Engine. Got a screen warning saying to stop driving the vehicle and the check engine light came on. I installed new OEM plugs. If the car is only shaking when idling then the problem may be with the idle air control valve. The rattle or engine knocking is only happening when the hybrid system indicator shows power in the red zone. I usually drive it like a regular car on eco mode and get around 38mpg average but recently I've changed my style of driving where I accelerate to the desired speed limit, let go of the gas, then reapply and keep the mpg meter in between the middle eco line and before the pwr band. Strangely I've just found this thread which seems to be describing something similar, but it is about much newer Prii, and mine never had this sound until last month. Conclusion Engines can make knocking sounds for various reasons, but it is Why is my engine shaking? Having bad motor mounts can cause an engine to shake. If I were in a normal non-Prius car, I'd associate the feeling with a bad transmission, maybe bad engine mounts, etc. This can result in a loud, knocking sound that can be heard from inside the vehicle. It started making a ticking or knocking sound while the engine was on. The plug was white at the end, so something wrong there. What does it mean when an engine "knocks"? Knocking engine. • Loud engine knock or rattle noise. It started running rough at around 110,000. See More Toyota Prius Questions (478) My girlfriend has a 2013 Prius 3 and the engine started shaking and rattling aggressively on startup and when driving about 25-35MPH in "eco" mode. Luckily i was only few miles away from my home. On a cold start, first thing in the morning, there is an irregular, sharply metallic, Mine is 2015 Prius 4 and started to knock on morning specially when it is cold, when knocking starts sometimes longer eventually code come out P0304 misfire on cylinder 4, or P0303 cylinder 3, clear the code,sometimes no code if it recover from shaking to normal. Couple Fixed the blown head gasket. " My code reader showed code P3190 & P3191. So finding and fixing the misfire should be speedily pursued, if the light flashes, so the cat doesn't become another related I just missed capturing the sound on my phone. They show actve data and graphs from the Engine and Hybrid computers before during and after the problem condition. Once the engine temp drops down to 115F the ICE will come back on and stay on until it hits 135F again. However, some owners have reported that their Prius shakes when starting. At least until it sets a code and stops trying. Still rough. Took to local shop. I'm not entirely sure the science behind why the head gasket would *not* cause the check engine light when it was warm out and I drove it around after it was ready, then *would* cause the check engine light when it was cold out, and I turned on the heater. Scanning the car helps a lot. And the vibration only appears in under a certain acceleration. Before you do any looking around, is the check engine light on? If If the combustion process doesn’t get enough materials to complete, then it’ll cause the engine to misfire. by the time I got it out of my pocket and unlocked the knocking was done. Upon returning to my vehicle, I turned on my car and answered a phone call. Hi guys! I have a 2010 Prius Pkg 5 with around 71xxx miles. I bought the car new, and have religiously done all my own maintenance on the car. Simply open the file in Techstream and review the example cases. The flashing check engine light and shaking both point towards an engine misfire. It is something knocking against something at the rpm of the engine. Going to I've some strange vibration under medium acceleration from my car. This habit helps you to minimize the engine vibration greatly. It's hard to see that in If your loosing coolant then you have a head gasket failure. The flashing check-engine light doesn't tell you anything extra about why the engine is misfiring, but it does tell you how badly: when the light flashes, the misfiring is bad enough to melt the insides of the catalytic converter eventually. Possible fowled plug or failing coil Prius Engine Shaking When Starting: Causes And Fixes. At first no problem, then a very loud banging and heavy vibration (bit like an engine misfire but seemed worse). Like other comments have said, it’s nothing really unusual on its own, but if you’re noticing it more inside the car along with some hesitation I’d recommend cleaning the egr system, new spark plugs if they haven’t been done recently, and I bought my GenIII prius a few months back and, after a while, I noticed that the motor would start shaking in low RPM - high torque conditions. I immediately stopped and then whatever was causing the How to Fix a Check Engine Light Flashing with the Car Shaking. Their bid to clean pipes leading to manifold, manifold and EGR valve replacement is $1,240. Figured I would make a video so that people can see what I went through and maybe decide for themselves if they should do the work themselves and issues they might encounter. This was pooled a bit under my 2018 Subaru Forester. Thought it had fired up on 1 cylinder, there was loads of body vibration and clanking. This is what I find really strange -- if it's a A secondary issue is 2010-2014 Prius engines have flawed piston rings that often cause excessive oil consumption that ends up in the egr cooler passages. Ever check the engine oil? Better get used to checking the oil the engine probably eats alot of oil many if not most high mileage prius eat oil. DKG1011 Junior Member. Less than 500 miles since first knocking and no driving for almost two weeks now. This noise does not sound internal to the engine. My question is whether I should replace all the ignition coils or just start by replacing the one on cylinder 4. Which turned out to be a bad head and gasket. Anas Al-Mustafa Discussion starter. There have been other reports that do not fit the above scenario, though. We then drove another Prius V 5 and it had the same charastic vibration. My 2012 prius makes knocking and rattling noise when ever the engine starts and I'm on stand still or moving slowly. So! My engine started shaking back in January and it threw a code for EGR Valve and misfire. Engine Noise And Vibration - Prius Gen3 Join Toyota Owners Club. My engine has a noticeable ticking noise in S1 (similar to many many other cars - doesn't sound like anything I'd worry about), then in quiets significantly in S2, quiets further in S3, and then is unnoticeable in S4. This has only happened about 3 times since I've owned the car (I bought it at 50k). When the hybrid vehicle ECU is starting up the engine, MG1 serves as a starter motor to spin up the engine. The vibration sound like those in early 2010 where people start the Prius in the morning and the engine start knocking for few seconds. 8L Hybrid: Service type Engine is shaking If they put the car in the test mode, they can determine if the vibration is in the engine and/or drive train or just the tires. To know more, you can also read our posts on why your engine is vibrating at low RPM, why check transmission fluid when engine is running, and why your engine is knocking. I would want it repaired immediately and find a way to leave it with them. I plan on resurfacing the aluminum if warped. In the future go on Youtube The appropriate steps to fix a flashing Check Engine Light and shaking car depend on the root cause of the problem. It could be something generic, such as P0300, which doesn’t offer a lot of help unless there are other codes to put with it. Slightly shaking engine and rattling noise on acceleration,it happens when the car is hot and especially when the battery level is very low ,I guess is when as more load . Cleaned the Intake Manifold. Go on youtube and look up Prius Inspection as there's a certain button push scenario where you can make the engine run continuously nonstop for inspection. Common causes of engine-related shaking can include oil Engine Knocking/Shaking During Startup on 2012 Prius. I shut the power down straight away and popped the bonnet. So, I just had this happen to my 2012 Prius a few months ago. We took the car home and have done the following: Cleaned EGR cooler. Then it was on steady, then blink, then steady Took it easy the rest of the However, one way to do it is by unplugging the electrical plug from the bottom of the engine. At that time, I replaced the old spark plugs, inspected the spark plug wires including swapping the ignition coils between cylinders to check for ignition coil issues (then reverted them back), and cleaned the EGR. Faulty and erroneous sparks created by malfunctioning spark plugs 3. Say what you want, but the spark plugs last a very very long time on these cars. This shaking can be caused by a variety of issues, including problems with the battery, the motor, or even the fuel system. when idle, and i press accelerator, engine tries to start, and shakes for couple of seconds. When the engine is started, the contamination may interfere with combustion causing a rough engine start, rough acceleration and uneven idle. It progressively has been getting worse and worse up until about two months ago where it was burning about a quart every 400 miles. Tips To Prevent the Problem of Car Shaking When Starting. In this case, shifting into neutral immediately after starting the engine may reduce the noise and allow the engine to come up to temperature. Check engine light on. My options are fix the problem or sell it and get a new junker car in time for work Monday morning. and/or P0304. Engine knocking 2010 Prius 5 159,000 miles Changed plugs New EGR cleaned pipes and accompanying radiator* CHecked coil Seems to be a common problem with no clear repairCodes. Now it knocks while driving and after the engine is already warmed. Misfires: #1 Poorly maintained needs sparkplugs and or new cops (coil on plugs) or Seems my coil on cylinder 1 was just haggard. Continues knocking, rattling sound coming from moter. There is no vibration under EV mode also. Service type Engine is shaking, pulsating or vibrating Inspection: Estimate $114. By today it would be fine through most of the warmup cycle, then start misfiring (resistance would get jacked up once it reached temp), but I couldn’t run it long enough to actually get the check engine light. Hot coolant is under pressure and can scald you. If this pipe is showing signs of being blocked, then maybe you should consider cleaning the EGR. My third service order was closed out with the Comment that "Vehicle performs as designed" and the service rep telling me there was nothing Since around 198,000 miles I've had an ominous knock/tap from the engine. Tried water again and it knocked again. See why your Toyota Prius engine makes a ticking noise, including low oil levels and ignition issues. Worn Out Belts It's probably a misfire, but if simply may not be starting. if you don't stay on top of it new engine time $$$$$. The car ran very roughly and then the gas engine died. Therefore, there isn’t a magic bullet fix for the issue. A rattling or knocking noise is common with cars with a faulty EGR valve or one with excessive build-up. A loud mechanical knocking noise and visible shaking of the engine, then perfectly smooth. The rattle goes away while on electric going under 10mph and when flooring it so the engine is at high revs. Hi am experiencing engine shaking and vibrating! This mainly happens on cold starts! Service Bulletin for Engine Knocking at Startup T-SB 0012-10 | PriusChat easy. Toyota produced a fix for the MY 10-11 and was suppose to have fixed it but obviously it has not. when I was shaking sway bar link from left to right it was solid , but then I tried to push it up and then again from down to up , it knocked . What makes my 2nd Gen. com; The spark in the spark plug then ignites the fuel and creates the combustion needed to get the engine working This morning I went to start my Prius (2015 Toyota Prius Liftback 5D I4 Hybrid) and it made the same noise as in the video below (not my video, credits to the original uploader): On Sunday I did start the car, move it about 10 feet, and then turne it off almost immediately after the ICE kicked on, which based on the posts that I have seen Today while driving my 2008 Prius suddenly i could hear the engine vibrating pretty loud and the check engine light was blinking. It feels like the car is surging a little. Didn't work, so I changed the spark plug in cylinder four. If this is the case it is best to have it changed as soon as possible. Other, less common possibilities include suspension faults (strut/shock failure), loose or worn out motor mounts, and even exhaust system faults. Engine shaking during startup and acceleration from a stop. In order for your engine to run smoothly, it requires a precise balance of air and fuel in the combustion chamber. It starts fine, gas engine starts fine as well, after about 30 seconds or more since gas engine starts, engine starts to shake, vibrate, knock so violently that it feels like it would blow up. Discussion in 'Gen 2 Prius Care, Maintenance and Troubleshooting' started by DKG1011, Sep 26, 2015. Get repair cost estimates and expert help at RepairPal. It should be full to the neck. With engine running nonstop get under the front of the car and listen to This is my third Prius so I’ve gotten used to it. I couldn’t see anything, but the thing I noticed was that the noise/vibration only appeared to start as the AC fan ramped up speed to defrost the windows. Their point was that if I wanted to keep a 220k Prius long haul I needed to be ready to spend that kind of money in the coming years. Now when my head gasket went it started sounding like this then got progressively worse and worse over the span of 500-1000 miles then it started dumping engine coolant. Scan does not show any issue. For me my symptoms were a jerky engine, accelerator giving feedback, low engine performance. It seems to happen mainly when the electric charge is low and the engine is on charging the battery and then I start to accelerate at the same time. Sounds like something is loose in the exhaust or manifold area. I have fresh oil, new battery, and had my car checked about a month ago. If you had stopped the engine immediately the repair could have possibly involved a new crankshaft, and a set of engine bearings, but due to the loss of oil pressure the pistons would have been scuffing on the cylinder walls too. ; Loose or Disconnected Hoses: Hoses carry an air-fuel mixture to the Engine. Don't go by the overflow bottle, check it under the radiator cap. To be specific when the acceleration level is at P letter of PWR. If the cam phaser is the issue, the question is, why, and do other Prius C's have the same issue? The service centre Exactly my experience. How to test bad fuel injectors? There are different tests to check the fuel injectors. If you have engine knocking (a form of engine misfiring), the engine will run very rough, and you'll notice strong unusual Sometimes that reflects the engine is out of oil too. wraspyj nynncfa jndxcjp plief czud bod lbduo dxgmrh hogym wkatl