Prius (2010-12) :: Faint Engine Noise After Turned Off


Aug 2, 2014

I had my Prius for almost 4 years and I'm used to all the hybrid noises: brake pump after opening the door, emission control pump hours after driving, high pitched inverter noise in EV, etc. This is different. Very faint and I only noticed it because I opened the hood right after driving. The car was completely off, but there was some small electric motor activated somewhere inside the engine. Is this electric coolant pump?

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Prius (2010-12) :: Faint Power Steering Noise

I've had my Prius 2012 3rd Gen Pckg 2 for about 1 month and love it. I've noticed that when it is quiet i can here a very light noise when turning the wheel and the power steering motor is working. It's a very faint sound resembling shhhhhh. The sound could just be the normal power steering sound but wanted to confirm.

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Camry 2012+ :: Faint Noise Coming From Dash Tweeters When Key Is Turned On

My 2014 Camry LE has a very faint white noise sound coming from what seems to be the dash tweeters when the key is turned to acc or on. (Car is not started and radio is off) As soon as the key is turned off, the noise goes away. It almost sounds like the noise you used to hear playing a cassette tape back in the day between songs. (But the radio is off).

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Prius (2010-12) :: Strange Noise While Braking And After Turned Off

I have a 2010 Prius which I have had for a couple years. I get this strange noise from time to time that happens while braking. It starts, it will do it for a while, and then go away. When it's doing it, It will also happen after I turn my car off when the engine does it's shutdown phase. Occasionally, when my car is not moving and the engine is off, if I push my brakes it will do it too.

The noise comes from the driver side, by the firewall. the noise is a loud rachety sound, and it does not sound healthy or normal. I took my car to the Toyota dealership 3 different times explaining what was going on, but since it is random in when it happens, they have always told me everything looks normal. (of course I am out of my 1 year warranty too I got when I purchased it used.)

Is this noise something I should be worried about? What it is? Last thing I want to do is burn out some component of my car when I can save it now.

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Lexus GX 2010+ :: Loud Whoosh Noise When Engine Turned Off

Odd, relatively loud "whoosh" noise when they turn off the engine? It sounds pneumatic in nature, like a pump or servo of some sort sealing or depressurizing? I should note that I park in a garage, which may amplify it. Definitely more noticeable if you open the driver door or window then kill the ignition.

Second, I don't know if it's the cold, a bad batch of gas, or just normal but the motor seems to make a clack clack clack noise when stopped/at idle. It's not consistent and doesn't seem to affect drivability. I just hope it's not knock or slap, i.e., indicative of serious issues. Am I just being paranoid and overly sensitive?

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Prius (2010-12) :: Check Engine Light Came On And Turned Off On Its Own

My check engine light went off last month and when I had it looked at my dealership they said it was due to the seal where the gas cap locks into I believe. Anyway, a week later my light went off again and now they are saying it is the charcoal cannister which I found out is very expensive. Here are my two questions. First of all, can I get this part replaced and installed at a non-dealership? My second question is since they reset my check engine light, it came back on a few days later for two days and then turned off completely. Should the light have turned off on its own? Should I be concerned that it is no longer on? It just makes me wonder if they diagnosed this issue correctly or not.

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Golf/GTI VI :: 2010 - Faint High Pitched Whirling Noise While Cruising

I drive a 2010 Golf Wagon/JSW, and when I'm going at speeds around +60 mph/90 kmph and lift off the accelerator a faint high pitched whirling noise comes on. As soon as I tap the gas pedal it goes away. What this could be?

It's been a week now since I've noticed this, I guess I've never noticed it before or it's getting louder..i don't know?

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Prius V :: Noise Coming From Under Driver Side After Engine Turned Off

After you turn off the engine,there's a noise coming under the driver side of the car and it stops after 10 seconds,did may be a small Japanese assembly worker got stuck under there or something.

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Elantra MD (2010-15) :: Faint Metallic Grinding / Friction / Rotating Noise When Accelerating

My car has developed some intermittent noise but I can't pinpoint the exact source, though it seems to be coming from the front. I hear it in 1st gear when accelerating, and it's more audible if I have my windows down. A faint metallic grinding/friction/rotating noise is how I think I could most accurately describe it. I do have an oil change coming up in the next few weeks and will mention it then.

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Prius (2010-12) :: Faint Pop Sound And Chemical Smell Detected When Coasting At About 30 Mph

Last week as I was returning home I had a strange event in my Prius. I was coasting at about 30 mph when I heard a very faint pop sound a bit like a balloon breaking. It sounded like it came from the right rear area of the car. Afterwards I thought I detected a very faint chemical smell. Could this have been something involving the HV battery?

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Lexus RX 2010-15 :: Faint Buzzing Noise Coming From Rear Of 2013 RX350 - Pump Running?

The last two mornings I have gone into my garage and have heard a faint "buzzing" noise that seems to be coming from the rear of 2013 RX350. Given the location of the noise, my first inclination was that it was possibly the fuel pump running a cycle for some reason. But when I heard it for the second day in a row, I figured it would be wise to ask if this is normal or something I should take up with the dealer?

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Prius (2004-09) :: Check Engine Light Turned On For A Few Hours Then Turned Off

I always take care of my car oil changes on time. And in the last week my check engine light turned on for a few hours then turned off. And today it turned on again. I kinda regret getting rid of my scan gauge now.

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Saab - 9-5 :: Faint Click Noise / Engine Does Not Crank At All When Trying To Restart

My 2001 Saab 9-5 has 156,000 miles and is generally in fine working condition. An irregularity in starting began about two months ago which will happen say once every twenty times the car is driven for more than twenty minutes or so.

The car always starts when the engine is cold, first time each day. After driving for awhile then stopping for a quick errand, more than 90% of the time the car will restart, less then 10 % of the time it does not. The engine does not crank at all, only a faint click noise. I can try starting again a number of times with the same noise and result.

However, after 20-25 minutes have passed the car will start as it normally should. Seems to me somehow the problem relates to the cooling off period. Does this make sense?

Is it a switch, a loose wire on the starter, internal wear on the starter motor? Is it a clue that it takes about the same amount of time before it will restart?

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Tiguan :: 2009 Engine Stalled While Driving - Faint Squealing Noise

Ok so I have a 09 tiguan S that stalled yesterday while driving only a few short min. My wife had been driving home about 4 miles when she got home I could hear a faint squealing noise as she pulled up. I left right after and assumed it was the the ac belts it that exist, so to verify that I turned off the ac and the sound did fade. I drove with it off for a few min then turned it on again the car acted normal and cooled just fine then about 5 min later I pulled into a lot and while waiting for others to move the engine stalled and I had the engine light, epc and battery lights showing. Now it was something like 110 outside and I thought overheated but the temp gauge showed normal and I received no warnings. I smelled a burned rubber smell and I recall seeing a small puff of smoke. I could not locate anything that could have burned out. The only thing I could see that was unusual was what looked like buildup on the air intake tubes.

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Prius (Gen 2) :: 2006 - Faint Rattle Sound When Engine Under Load?

Today I drove my 2006 G2 Prius with 59,000 miles to the park and had the windows down. I climbed a hill for a good while that had the engine under load and there was a concrete wall beside me, and I could hear a very very faint metallic-like rattle. I mentioned it to my partner who listened and said he couldn't even hear it, so maybe it is just me.

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Lexus RX 2004-09 :: RX330 - Faint Tap / Knock / Tick Noise Coming From Engine

Lexus 3.3L RX-330 Engine Noise - Part 3 - YouTube

I am concerned with an engine noise.

5 months ago we bought a 2005 Lexus RX-330. It had 109k miles on it (now has 113k). There is a faint but noticeable engine tap/ knock/ tick coming from the engine. I think it has the 3.3l, 3gr-fe engine.

I have listed some observations:

The sound does not occur on startup, when the car is completely cold.
The sound starts after 5-10 minutes of driving or idling.
The sound diminishes and is almost imperceptible after another 10 minutes of driving.
The sound is only noticeable at idle.
The sound/tap seems to occur about 5 times a second at 600 rpm (idle)
The sound increases frequency with rising of rpm.
At approximately 2k rpm the sound cannot be heard.
If the vehicle is stopped after driving, allowed to sit for 5-10 minutes and then restarted, the sound will be loudest even though the engine is still hot.
The engine is quiet overall with exception of this sound. The fuel injector sound is the next loudest sound.
The sound doesn't seem to have gotten louder in the last 5 months but it may have gotten just slightly louder by my estimation.
I can hear the sound inside the vehicle and outside as well.

No other symptoms are present. I had the timing belt, water pump, idler and tensioner replaced as maintenance and as a possible solution to this problem right after buying the vehicle.

The mechanic heard the sound but told me he wasn't sure of the cause. He and I agree that it sounds like an internal engine noise. It is not a pulley, idler or exhaust sound. The mechanic told me not to worry about it and it was a normal sound. He also said to start troubleshooting would get expensive. I am still concerned.

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Corolla / Matrix 2009-13 :: Faint Noise From Engine Compartment When Driving / Idling

I have a 2009 Corolla 1.8 with 18,000 miles on it. My wife mainly drives it, today after getting it washed, I was driving and noticed a very faint noise from the engine compartment. Seems to be coming from the passenger front. The sound is something like grr grr grr.... I made sure it's not the wheels by putting the car in neutral and giving it gas which made the sound audible (I can also hear it while idling).

I had my wife sit in the car with me, and she couldn't hear anything, but I can, so I'm afraid when I go to the dealer he will say the same "I can't replicate the noise". What it can be?

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Toyota - Starting - Corolla :: Would Not Turn Over After Light Rain / Faint Hum When Key Is Turned

A friend of mine owns a 2002 Toyota Corolla with around 100k miles on it and it has some sporadic problems. Once in a blue moon the engine light comes on because of a misfire and seems to be around the same time it is humid and wet out (suggesting spark plug wires). However it recently sat overnight, after a slow rain, and would not even turn over the next day. The lights are not dimmed in the car but there is only a faint hum when the key is turned. What is wrong?

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Ford Ranger / B-Series :: Faint Rotating Squeaking Noise Coming From The Front Of Engine

I'm hearing a sort of faint rotating squeaking noise coming from the front of the engine; I can only assume that it's something with the belts. Nothing too pronounce cause I just notice it yesterday, anyway I was hoping I get another take on what this might be before I take it to the mechanic tomorrow.

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Prius Plug-in 2012-15 :: Faint Buzzing / Rattling Noise Coming From Left Corner Of Dashboard

I am experiencing a buzzing rattle coming from the left corner of the dashboard in the area near the horizontal speaker. It's not loud but it's annoying. It only happens when the car is moving. It doesnt seem to be affected by the audio system being powered on or off. The best thing I can think of to describe it the sound a Geiger counter makes, but not as loud.

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Prius (Gen 3) :: 2010 IV - Noise Coming From Engine

What is that little noise coming from the engine bay when you unlock and open the drivers door?

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