Prius loud knocking

Prius loud knocking. Posted December 11, 2010. It might be the engine doing the warmup cycle to get the catalytic converter up to temp at an accelerated rate. Check engine light is blinking which describes misfire. 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 Mar 17, 2019 · "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. The most obvious sign of a rod knock is the knocking noise itself. I just purchased a pre-owned 2016 Prius 3 from a (Subaru) dealership. An engine may knock because the cold is delaying certain mechanical parts or the piston is not aligned inside the cylinder. A good, experienced mechanic should be able diagnose it immediately by ear. They are going to replace the front axle!!!! I am concerned they may not put everything back in place or it may cause future problems. Location: Derbyshire. Oct 15, 2020 · Vehicle: 2007 Prius. In such a situation, your Prius will produce a rattling noise. The engine starts with knocking, rattling, and vibration that lasts for about 5 seconds. Model: Two. The TSB description is as follows: Immediately following a cold soak startup, some 2009 – 2011 model year vehicles equipped with the. When I drove it there, the sound and resistance was only below 15 mph and it faded above that. Hope this helps. Aug 2, 2016 · Knocking is much worse and sounds much lower frequency and much more distinct. I've never had any issues with it. jtburns3 said: ↑. On the second time, it was accompanied by a warning light to put the car in park. A loud noise from your Prius is a sign of a malfunctioning air supply system. The noise of a bad lifter is very distinct. I had the battery checked and it's reading 12. These were 3-4 starts at least a few hours from each other. 6624 posts · Joined 2004. Model: Three. bergnie. Could be when the car was reassembled after repairs something may have not been torqued down correctly. Piston slap typically occurs as a result of wear on the piston and the cylinder walls, causing the piston to move side-to-side and making contact with the cylinder wall. This is not the engine mount metallic-knock sound but rather a subtle rattle coming from the front end when going over smallish bumps at low speeds and sometimes accompanied by a slight knock in the steering wheel. Below are ways you can fix such an issue. Mar 9, 2016 · My 2010 Prius engine shakes/vibrates when the engine is showing between 50-75 MPG on the gauge/meter on the dashboard. Model: III. Jan 18, 2023 · N/A. One owner before me, excellent maintenance history, and I changed the egr cooler, cleaned intake, and all that stuff, about 2k miles ago, to prevent head gasket issues. Motor is toast. 2011 Prius with loud rattling motor noise as well as what seems to be the engine shaking. 3. Jun 14, 2019 · 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. Took to local shop. So my issue is i have started my car one morning (after sitting all night from 8pm), and it started perfectly fine and engine kicked in like normal. P0303--Cylinder 3 misfire. Aug 18, 2019 · My 2012 prius makes knocking and rattling noise when ever the engine starts and I'm on stand still or moving slowly. I just recently replaced my head gasket two days ago, and went to go start it up and right away a knocking sound started to appear. I recently had my oil changed at Toyota dealership at 11,700 miles. It could take 50-200 times. I had the converter busted out of it and walah, the loud knocking, rattling noise is gone! The next test will be when I have to pull a long, constant incline, to see if it knocks itself out of cruise and if I have the power back. Hope that helps. In cold weather, if the ICE is started briefly, stopped and allowed to get cold again overnight (for example the car is moved a short distance), the next ICE startup has rough and loud knocking for about 15 seconds. Model: Four. It had one owner and clean history with about 22,000 miles. Last night I experienced a somewhat troubling event. Jul 13, 2020 · Looking into it, Toyota states four main areas can cause this trouble. Toyota diagnosed the sound as a bad AC compressor, so they replaced it. Yes, noise is immediately present at push of start button in an unheated, closed garage attached to home. Vehicle: 2005 Prius. Noise may lessen or go away momentarily if the steering wheel is "jogged" to one side or another while at cruise. It does not matter what the temperature is set at, but is more likely to do it at stoplights. #10 massparanoia, Apr 25, 2012. Why did you replace the head gasket? Misfire code? Look for simple things first - if a electrical connector to a coil or to a fuel injector was on loose it could have become disconnected, causing the misfire and rattle. I have a 2008 Prius and recently hit the 85K mark. Aug 14, 2014 · 2010 Prius. #6 Joe 26, Mar 20, 2014. Hi everyone, Just last night my '05 Prius transmission developed an intermittent knocking/juddering sound at start-up. Vehicle was towed to the dealership. May 31, 2023 · Started up the car and loud knocking and shaking came from the engine and resolved itself. Could you help?? Posted via the PriusChat mobile app. If someone stole your catalytic converter it might sound like this. A simple tightening of the bolts basically makes it go away for many if the U-joint Jul 13, 2013 · It seems to be in the suspension. Only when accelerating very softly. Now you have pointed that out I can hear it. If it sounds more metallic, it could be a motor mount, or something that has worked its way loose. I can't agree that "sounding almost like a diesel" is normal. Jul 17, 2013 · Vehicle: 2012 Prius v wagon. Jul 28, 2014 · The video description: A loud, metallic start up sound from Prius engine. Oct 19, 2015 · 2015 Prius c. Display results as threads Dec 6, 2019 · Rod Knock Symptoms: Toyota Prius. Average repair cost is $3,500 at 164,750 miles. 225,000km. Jan 7, 2023 · Detonation knock can occur from low octane fuel. Oct 25, 2009 · Vehicle: 2009 Prius. Sep 29, 2020 · Engine knocking could indicate different issues, including low engine oil levels and engine bearing failure. Feb 20, 2007 · 2004 Prius. Aug 27, 2022 · Prius makes a loud noise. Is the actuator suppose to make this noise consistently like this? it will usually come on for a few seconds when I either brake or take my foot off the brake pedal from a stop. Hi folks -. Sensor issues can cause the air/fuel mixture to lean out. NEW!!! Service Bulletin for Engine Knocking at Startup T-SB 0012-10. Vehicle: 2012 Prius v wagon. If the noise is coming from the front of the car, the likely suspects would be the two radiator fans and the air conditioning compressor which is mounted on the side of the engine facing the radiator. To be specific when the acceleration level is at P letter of PWR. Benny Claudio said: ↑. Jan 17, 2012 · I have a 2013 Prius that bought about two months ago. Either someone stole your catalytic converter or they cut it but didn't get it removed. There is no vibration when coasting (100 MPG on the gauge/meter on dashboard) or when I am accelerating pretty modestly. I would never describe the Prius as noisier than a typical 4 cylinder. Jan 16, 2022 · 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. Car sounds unsafe to drive around, so I left it parked in the drive way. This post relates to a loud knocking sound that is only occasional. I have a 2008 Prius. Link to video here >>. true. Valve timings are altered such that flames are literally shooting from the cylinder to warmup the catalytic converter. It has happened in both cold and warm conditions. I've started it on multiple occasions (never more than 20 secs) and it doesn't go away. Model: Five. Mar 30, 2011 · Model: Four. Bad Knock Sensor (Detonation Knock) Aug 15, 2022 · This could be a result of worn-out or badly installed spark plugs. 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 Apr 4, 2020 · Here are the failure codes listed. Anybody else had the loud engine noise and vibration durring this cold spell. Hi everyone, I have 2011 Prius Base, 137K. Then after it warms up, it still makes ticking noise at idle and is noisier than it used to be on acceleration. But the rattle/knock cold start and rough idle on cold start doesn't appear until the spark plugs get carbon buildup on them causing misfired on 1 or more cylinders. I think the noise that's bugging him, is this kinda rapid drumming/knocking, intermittent sound, over top of the regular engine sound. and/or P0304. It sounds like something is loose and banging/rattling about, but what I cannot tell. It's kind of a wah-wah-wah-wah or wuh-wuh-wuh-wuh noise that gets faster the faster I'm going. Start shopping for new long block. Maybe the "warranty expired" bit got set in the MFD or something. The wrong fuel can also cause a knocking sound. The knocking will sound very metal on metal. I had someone look at it & they said the motor was shot. Attachments are working again! Check out this thread for more details and to report any other bugs. Apr 16, 2018 · 2016 Prius. N/A. Oct 30, 2014 · Dear Folks, There is a knocking sound when reaching 2000 RPM , (2010 Prius III ) Cleaned Throttle body. Ten minutes after I started the car (didn't move it to prevent further damage), the check engine light turned on. Nov 4, 2019 · One of the most disconcerting sounds that you can hear coming from your Toyota Prius is the engine knocking. The contact owns a 2008 Toyota Prius. If it is the rod that’s making the sound, it must directly correspond with the engine RPM. Engine light on as well. I talk about when the knocking problem first appeared Nov 2, 2016 · 2014 Prius. Jul 17, 2020 · Failure Date: 07/24/2014. Newer Than: Search this thread only; Search this forum only. It comes on when brake fluid pressure in the accumulator gets below a certain threshold. If your friend wishes to localize the problem I suggest she turn off the AC system. It would be $1,100 labor; so in the ball park. Good morning, everybody! . Today, after not having been turned on for about 24 hours, the Mar 31, 2021 · 2010 Prius. The poll has two parts: frequency and season. " Jan 31, 2007 · Two. Model: II. Garage temp likely 10-15 degrees higher than outside air. I could move the car but the engine was very weak. Mar 7, 2013 · Search titles only; Posted by Member: Separate names with a comma. The car was shortly moved in the previous day (shutting down the engine before warmed up). When its very cold-20-30 degrees, it makes a loud tapping noise like a bad lifter for about a minute or so. Apr 24, 2020 · Location: Los angeles. Jul 8, 2023 · Ct200h (and some Prius models) are known for this steering rattle noise. Jul 25, 2018 · hello all ive attatched the video to show u the noise it just started today. So I have seen other people have similar issues that they heard knocking when they start it up cold and etc. It happened to me in Jan and again in Nov (Both cold periods after the car had been stood for 48 hours) I just wish I'd had me camcorder with me for the last one. CVT fluid changed. Note the hiss, then knock knock knock pause, repeat. I noticed that the "clunking/knocking" sound is more pronounced when the brakes are lightly applied (not gripping) while going over bumpy pavement at low speed (<5 mph), most commonly while maneuvering in parking lots. I'm not really experienced with cars but I replaced spark plug myself at 110k . Like. Area two, the oil control valve or VVTi control Dec 7, 2018 · Turned car off. New plugs, pcv. Shut it off and re-started ok, but very concerned. So I had this Prius for almost 2 years everything was fine and couple days ago when ignition is turned on, engine started to make very loud noise followed with gasoline like smell when windows rolled down. Jan 24, 2020 · The egr system design is faulty, which causes carbon buildup thru out the whole system, including the spark plugs. Replaced spark plugs - problem fixed for a day or two. It's coming from the suspension area next to the wheel on the front end passenger Jan 29, 2011 · Also, a cv joint will typically only be noisy around a turn, or on accel/decal. There are no Check Engine light. Scan does not show any issue. Had to return to the shop because the problem resurfaced. When the AC is turned on, it makes a loud noise. Jan 21, 2011 · Model: III. Aug 14, 2019 · Bad fuel can cause your Prius’s engine to knock. Some early gen3s with frequent oil changes do better on oil consumption. Today the engine suddenly started making *very* load noise. LCDuncan said: ↑. The vehicle was taken to an independent mechanic, who diagnosed that the engine mount became loose and needed to be replaced. Took it to the shop - diagnosis = Misfiring. Started horribly knocking, shaking a few weeks ago. There is some noticeable noise when accelerating hard from a dead stop and it revs high but if it sounds like it's knocking or chugging like a diesel I would be concerned. 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. If it flops to the floor and doesn't come up, your parking brake line is broken. P0300--Random/Mulitiple cylinder misfire. It'll be noisy to drive, but you should be able to drive it to a nearby garage for a check. Apr 2, 2010 · Solutions: (in order) 1. If the knocking sound changes with the vehicle speed, you may have a bad axle shaft or suspension problem. I have tried fuel injector cleaner, Techron to be specific and that doesn't seem to have helped much if at all. May 20, 2009 · 136 posts · Joined 2008. I did check engine oil level and it was at F level. The sound of an engine knocking does not necessarily mean there is an expensive repair coming your way. Jun 21, 2010 · On June 9th, 2010 Toyota released T-SB-0146-10. The con rod would rattle inside the hole when the engine was running causing the knock. I have seen a few separate threads regarding a front rattle/knocking noise on some Gen II Prius. Sep 10, 2016 · Exhaust noise will vary with manifold temp. The rattle or engine knocking is only happening when the hybrid system indicator shows power in the red zone. Anyone ever hear a minor knocking like sound (hollow/knocking) towards the back rear, left of the car? It sounds like a mechanical knocking, and there isn't anything in the trunk to make noise. Because premium fuel is stable at higher temperatures, it doesn’t cause this problem. 5 C): • MIL “ON” with Diagnostic Trouble Codes (DTCs) P0300, P0301, P0302, P0303. A couple of weeks ago, about a week after my most recent oil change, I started noticing a noise when I accelerate. A few seconds after Ignition ON, the ICE would normally start and the knocking/juddering sound comes alive. Noise from a single lifter will be at 1/2 engine rpm, coming from the top of the engine. I have changed the 4 plugs. Hello all, I have a 2007 Toyota Prius with 180K on it. The sound is not constant in tempo or volume. Jun 10, 2013 · I just bought 2010 model gen 3 Prius (130. The sound disappears on driving the car a few hundred meters and usually does not reoccur for several months. There are several reasons why your car may be making such a noise. They had to replace a piston in the engine because the hole that was drilled in it to accept the connecting rod was too big. I went to take it to get the oil changed & it started making a loud knocking noise & seemed to be shaking. It seems to be an intermittent, rare event. Was driving about 30 mins ago and hit a large pothole and since then with every little bump the front left suspension has been making a knocking sound. Jan 12, 2012 · NEW!!! Service Bulletin for Engine Knocking at Startup T-SB 0012-10 | PriusChat. It’s not a knocking sound, which could be described more as a “thunk” (getting technical) and typically indicates a bad rod Jan 27, 2017 · The 2011 Toyota Prius has 3 problems reported for knocking at start up. Apr 29, 2019 · 2007 Prius. Other causes of engine misfiring are fuel-related issues, overflow of engine oil, diluted fuel, bad fuel pump, faulty ignition coils, and many more. Model: IV. Nov 15, 2017 · 2010 Prius. The engine runs smoothly in the end of video, although that cannot be heard. Usually caused by running the car low on engine oil. First, jack up the suspected area so that you can comfortably grip the top and bottom of the tire. I don't hear anything when driving at higher speeds. Nov 5, 2013 · Vehicle: 2005 Prius. Dec 11, 2010 · Toyota Model: Prius Business Edn plus. Transaxle does not knock. #1 · May 20, 2009. It could be a loose tire or an uneven motion of the wheels. Apr 24, 2013 · Vehicle: 2008 Prius. 1 of the coiles short circuited, which caused a misfiring, which resulted in the vibration and loud knocking. It most often happens when the Prius C has been shut off for some time – or when it has been shut off for a while, moved a short distance and restarted some time later. Mar 24, 2006 · DanMan32. At least, on the gen2 prius it does this. 225,000 miles. No coolant or oil loss (knock on wood) EGR / intake system cleaned. Also, the engine must adapt to the new motor oil, and the air-to-fuel Jul 27, 2020 · It must go up and down with the Prius’s engine speed, or it is not a lifter tick at all. Mendel Leisk said: ↑. The tank contained E38 ethanol mixture. It was fine until just recently, but now the car seems to have a rattling noise coming from the right side of the vehicle when I'm on the freeway and get close to 70 mph in speed. Originally posted by danmiller3. We're having problem with our Prius where car suddenly started to make weird clunking noise from the engine (28k miles, 2011 Prius). Vehicle: 2011 Prius. 2008 Prius with 227,627 miles. It started a month or so after I had my spark plugs replaced at 133K Oct 29, 2019 · Piston Slap. At first I almost thought I was driving on a flat tire because it's a similar sound, but everything seems fine. Seen alot of them here lately. If you never use your parking brake and it doesn't lock, pump the parking brake alternately with the regular brake until the parking brake "locks". Meticously maintained. Model: Prime Plus. I had a jeep that made the same noise. •. Therefore, if your vehicle is supposed to use premium fuel and you downgrade, you may hear this knocking sound. The noise means that the gas is igniting at the wrong time. The exhaust also wasn't smelling normal. My friend suggested that I go to reddit to get some other people's opinions. 000 km) and noticed the same symptoms. 2) Engine sound can be valves out of spec (more of a clatter) or bad connecting rod (knock). This was recorded with car in park, in ready mode, emergency brake applied. it makes a loud almost static like pinball noise coming from behind the Jun 7, 2020 · Recently, I started to have an issue with my 2009 Gen2 Prius. Dec 14, 2019 · chrillermiller said: ↑. When we are running the AC sometimes there is a loud ticking sound coming from behind the glove box. Also, your tires could have been recently rotated or changed. Then press on the brake pedal and make the Prius READY. I just joined Prius Chat to ask this question. Another potential cause of a rattling engine noise in your Toyota Prius is piston slap. 0. Driving it is very shaky as I gas it at all. once in awhile , the hybrid indicator system will flash “temp” with a picture of 3rd gen Prius started with an extremely loud knock. ago. It was audible from several feet away from the car. Location: Canada. Then see whether the noise is present. Dec 20, 2020 · Four Touring. r/prius. It lasted about 3-5 seconds, and ran perfectly afterwards, even making another cold start later on @30 without issue. Above 20 mph you wouldn't even know it there was a problem. Hey everyone. Jun 4, 2005 · 2012 Prius v wagon. See all problems of the 2011 Toyota Prius . Anyway, I've considered T-SB-0300-08, but it can range from a clunk-noise to a metallic clank-noise, and is often felt Sep 27, 2013 · I picked up this 2006 Toyota Prius almost a year ago. 6 v with 525 cold cranking amps. Model: N/A. Jan 30, 2016 · Radford, VA. 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. You will see the hybrid vehicle icon appear on the MFD and the gasoline engine will run continuously. Some can tell by the speed and location of the tick. An exhaust noise will be at 4X engine rpm, coming from the bottom rear of the engine. It happens when going over light bumps/city driving, but not on the highway. I'm hearing a rattling sound when accelerating up a hill or from a stop. Vehicle: 2008 Prius. 1AR-FE and 2AR-FE engines may exhibit a brief knock/rattle noise from the engine compartment for . Just one of those real low oil events apparently damages the piston rods and then comes the engine knock. Mar 8, 2014 · Here's the "how to" produce cold start knock on the PIP Keep your PIP outside in the cold (below freezing)- run the EV batt down to where there's only HV driving left- let the PIP cool down over night, move the car down the street so the ICE starts up, run the ICE for maybe 60 seconds- park the car and immediately turn off the ICE. Auto-Zone but there was no code for the catalytic converter. Both issues were redesigned on gen4 engines. Their computer gave the same codes as O'Reillys- misfire of cylinder 3 and EGR valve. Have you ever ran the car so low on engine oil it threw the engine icon on the dash. Air/Fuel Mixture Too Lean. It has 254,000 miles on it. Anyway I have f Nov 18, 2018 · Prius 2016 knocking sound between the engine and the inverter is driving me crazy. Shook the whole car. That pressure is applied to the wheels by the skid (brake) ECU as needed. My son has a 2010 Gen 3. Nov 14, 2010 · 2017 Prius Prime. Unfortunately, I am having some problems with it. Hope this video helps out to my "ticking" sound. #5 · Mar 25, 2006. Mar 21, 2015 · There are a lot in the salvage yards in the $200-$400 price range that aren't too far from me (w/ one year warranty). May 3, 2020 · In this video I summarize my experience with engine knocking and rattling on the 3rd Gen Toyota Prius. Area number one, Camshaft timing gear assembly, or the VVTi timing gear. When I stop at a light or brake while idling I hear a noise from what I believe is the ABS actuator. #1 Ahmed Eljemaily, Nov 15, 2018. Maybe just listening to the engine underneath will tell you the story. In Drive mode at low speeds and gentle throttle, it feels as though the transmission Jan 7, 2016 · If this happened after a drive, this does not sound like the rattle on startup issue. A lifter tick is usually not accompanied by any other symptoms than the noise. Hi all, First time posting. Has anyone also run into similar issue? #1 txl146, Mar May 15, 2009 · Ok, got a call from the Dealer. Any lower or higher and the noise goes away. The first thing you should do when diagnosing engine knocks is to check the oil level and refill it if necessary. I have a 3rd gen Prius two with 190k miles. It sounds like it’s having trouble just running the engine. Cleaned the injectors, Intake manifold, throttle body, egr valve all cleaned. Hello everyone. 2. 2008 Prius knocking. Last night my 2007 Prius engine started making noises in the engine area. The only code they were running was a PO4 code. In the last few months my '08 Prius' engine has gotten progressively louder. Knocking is bad as it reflects lower engine bearing damage. With nearly 250,000 Prius in the North American market and the onset of cooler weather, it is time to see how frequently this occurs. They recommended plugs, coils, EGR cooler and valve. The past couple of days it has had this rumbling when I start the engine. Yeah so I’ve had this Prius for about a year and haven’t had any problems it’s a little cooler I live down in the southern states this morning I tried to start my car and it sounded like a trashcan was stuck underneath my hood after letting it sit for a minute I tried to start it again and it started up just fine. . I've replaced the coils & solenoids. The engine is loud, much louder than our 2012 V and much louder than our old 2010. Jun 7, 2014 · Placing the car in the maintenance mode, the car will start and idle normally then immediately start and stop the knocking when it switches from HV charging to non-charging mode. On a Prius it sounds like the engine is self-destructing/a rod is hitting the block. Hi all. I took my car into the dealer the first time and the tech made up some excuse saying that the car is still new and needs to be driven more and said the reason for the knock was becuase there was rocks in my tire. Apr 16, 2011 · Vehicle: 2007 Prius. Aug 21, 2007 · the misfire is causing the knocking. The car probably eats engine oil and was allowed to run so low on oil the check engine light came on from lack of oil pressure. 2012 Toyota Prius v engine knocking. I am going to get a new one but was told it fine. Was showing Generic Missfire codes and missfire on cylinder 1, 3, 4. Should begin to throw codes sooner or later. It is usually caused by, ignition issues, timing issues, worn lower engine parts, and more. Oct 12, 2008 · Then shift to P and fully depress the accelerator pedal 2x. My name is Eric and I also have a 2007 Prius making ticking noise . Toyota Year: 2018. Occ installed off pcv. After 2 other attempts of them not being able hear the noise they finally did today. Jul 6, 2017 · 1) The remanufactured battery is going out. Piston slap is more commonly seen in vehicles with higher mileage. Today I rocked the car on all 4 ends to isolate the noise. A brrrrr sound, almost like an aquarium air pump, is the brake accumulator pump. When purchase it had about 170K, but I got a deal on it, so it was a bit of a gamble. A few months ago I noticed a clunking noise coming from under the car when driving at lower speeds over uneven pavement or bumps. Nov 8, 2018 · N/A. P0304--Cylinder 4 Misfire. Picked it up after 2 days and upon starting heard a very loud rattling sound from engine; as if it were going to drop right out of the car. Hello all, its been a while since I posted here lately. The engine makes a loud knocking noise that disappears after accelerating. I have been hearing this knocking sound coming from my from driver side wheel. May 18, 2007 · 6. P0301--Cylinder 1 misfire. My C had a horrendous knocking on a cold start @40 Fahrenheit or so. Their bid to clean pipes leading to manifold, manifold and EGR valve replacement is $1,240. Aug 9, 2019 · So within the last few months I've noticed that my engine now ticks. if anyone wants to know, the service guy told me that the 2010 Prius has 4 ignition coils. Drove to work and on the way the check engine light started flashing and stayed on. Spark Plugs changed Still the annoying sound is Dec 18, 2006 · Vehicle: 2007 Prius. Oct 27, 2015 · Put the car in inspection mode (youtube: Prius Inspection Mode) and then while its running get under engine and listen with a rod to your ear to the oil pan and see if you can hear some banging in there. If you’re hearing this noise from your Prius, there Jan 6, 2019 · I had this exact same problem with a 2011 Prius, now it's happening with the 2018 Rav4 hybrid. Nov 21, 2019 · 0. Recently noticed car is making an unusual noise. Mar 27, 2020 · To find out if you have a loose wheel bearing on your Prius, do the following. An engine knock can be a sign of major engine problems. If I'm speeding the noise stops. Go to a brake mechanic or DIY. Over the last few months I've noticed a clunking/rattling in the front end somewhere -- probably started at around 60,000 miles. • Loud engine knock or rattle noise. I have fresh oil, new battery, and had my car checked about a month ago. I have looked underneath but nothing seems out of place, however in the engine bay the top of the struts on the problem side seems to of popped off or come Jan 21, 2012 · I parked my 2011 Prius Five in my garage for a day, started it and when the engine kicked on I turned it offnot letting it go through the entire warm up c Apr 27, 2015 · Two. This is also European Prius (Originally from Netherlands). Using fuel with the proper octane rating is essential. Stops both times 15+ seconds while she waits, performing no other functions save possibly bumping up heat temp, adjusting radio, etc. If you need to be using premium fuel, use it. $2600. Jan 15, 2022 · 7 reasons why engine knocks when it is cold. Dec 25, 2011 · 2010 Prius. Model: V. It has 2 DTC codes P0302, P0401. Jan 31, 2016 · Took my 2017 Prius 4 touring in for 25k service today and I have the same noise. The contact stated that while driving at 35 mph, there was an abnormal noise coming from the front passengers side. Alternating I have a 2017 Prius, with only about 18k miles on it. Drove to the dealership and they wanted $400 to diagnose, so stopped at the aitopart store and code for cylinder 2 misfire was read. Check engine light on. Discussion in ' Gen 3 Prius Care, Maintenance & Troubleshooting ' started by seilerts, Jan 12 Perhaps your exhaust system is compromised. No fault codes or any other malfunctions were present (yet), just very little shaking when driving on highway steadily around 80-100 km/h and when the engine is settling down at low rpm and lot of torque is Jul 31, 2007 · Erie CO. Mobile1 0w20 oil. I don't have any check engine light on. Jan 7, 2011 · Vehicle: 2011 Prius. bobsixtyfour. Apr 10, 2015 · 2012 Prius c. Turning off the AC causes the noise to stop. Do not drive the car in this condition as the traction control is disengaged. My 2012 Prius v, which has done about 47,000 km, has intermittently developed a knocking sound when the IC engine is idle, or while driving at a low speed (under 30 km/h). Things I've done to troubleshoot the problem: * Swapped the following parts with another working 2010 Prius. A wheel bearing will usually be more noisy the faster you are traveling. • Initially runs rough. • 3 yr. Vehicle: 2012 Prius. DebWV said: ↑. So I thought it was that once again. The next day, the car, upon starting had the same loud knocking/shaking. 2010 prius. That fixed it for a while, but now the sound is happening again. Sometimes a few seconds after the start. P0302--Cylinder 2 misfire. Vehicle: 2017 Prius. Jul 8, 2017 · Vehicle: 2007 Prius. It’s not recommended to drive with engine knocks as it may pose more problems, such as engine seizures. va qb yo ml ss nj wo lz pi rr