On our 2008 (26,000 miles), I've started to notice a "buzzing" noise (best way to describe it) from under the hood when the air conditioner is first turned on. Never noticed it before, but that doesn't mean it wasn't there.
If I drive the car with the ac on, then park the car for 30 minutes or so, it seems to not occur when restarting the car and the ac. A little vague, I know. Sound normal to you?
I have a 2005 Prius with 57,500 miles on it. Some times (not all the time) I get a buzzing sound from under the hood at start up. This noise is a buzzing sound, not the usual whiring sound. This buzzing will continue until the ICE starts. It seems to happen more if the car has sat for a couple of days or the morning is cold. Once the buzzing has stopped, it stays stopped for the rest of the day. I do not think that it is the brake pump since it continues as the car backs out of the garage (on battery) and the brakes are off, but stops at ICE start a few seconds later. Could this be the inverter cooling pump?
View 3 RepliesSeveral minutes after I start driving in the morning, my car starts making a strange noise under the hood. It sounds like a motor running, or a strange buzz. After a few minutes, the noise stops stops. When it does, and if I'm stopped at a light, my engine jerks one time. The engine actually shut off one day, but I could start it right up. It does this once during the trip. The speed of the car or engine has no effect on the sound, but it stops if I turn the car off. If I restart the car, the noise does not return.
View 4 RepliesI have a 2011 f250 6.7, I park under my house everyday, so I am used to weird noises coming from my truck when I shut it off, but now that I just did a dpf and egr delete, and tuner, I noticed that my tuner doesn't shut down until the noise under the hood stops, which takes a few minutes to stop, I use to hear the air valve on the egr cooler shut when every got quiet, but I don't remember it lasting this long, any one else have a H&S mini max and it doesn't shut down right away? the place where I bought my mini maxx said it should shut down as soon as your head lights go out, but that's not the case, the headlights go out long before this noise stops and the tuner powers off
View 10 RepliesI am just over a week and 500 miles into owning my gti, and so far it has been overwhelmingly positive. That being said, I have had a couple of minor issues. Today I went for a drive and at some point I turned the stereo volume off and noticed a buzzing noise. After playing around with things I was able to determine the buzzing was happening only when the fan was turned on. It was there at all speeds and got a little louder with each fan speed increase. It's not really that loud, but the fan in my Matrix had no noise except the woosh of the air. Just curious if maybe it is a difference that is common in the gti? I don't want to go rushing to the dealer unless it's something that really needs to be looked at
View 2 RepliesLast week, I went out to my garage to investigate a motion sensor event that shouldn't have occured. It was about 3:00 in the morning. The Prius had been powered off for probably 8 hours or more.
View 3 RepliesMy girlfriend just picked up a 2007 Prius Touring, 78,000 miles, original owner. It was a private sale and I took a look at it for her. I'm just learning about the Prius and stuff to look for, but everything looked good on it to me. After purchasing it she noticed a noise coming from the drivers side dash. I searched here and saw that dash rattles are common, but this sounds more like an electric buzzing/whirring noise. The duration of the noise is always about 2 to 3 seconds in length, then it stops. There doesn't seem to be any common factor for when it occurs. Is there anything electric on the drives side dash (far left side, closest to the window), that might be making this noise? It's not super loud, you can't hear it if the radio is on.
View 4 RepliesI loved my 2009 Prius until this weekend. I just turned over 31,000 miles and now a loud humming noise has developed under the hood while driving. It has not been cold here and this doesn't start until I reach around 24 mph. It remains while the gas engine is running or I'm coasting with the engine off. The humming is there in D or in N and there no sound while turning. When I am under 24 mph the noise is gone. I have set up an appointment with my Toyota dealer for this week, but wanted to know ahead of time if any other Prius owners have had this issue.
View 5 RepliesI have been having trouble w my 04 I checked all fuses all relays all dash lights work, no buzzing on injectors when key turned on. I checked push pull plug for starter it turns over with direct to battery but still does not start. New computer on fender.
View 2 RepliesThe sound emanates approximately from the area of the coolant storage tank (driver's side, behind the front bumper), though I doubt the tank or its pump is the problem. It sounds only when the car is in 'ready' status. I also think it is not one of the relays in the nearby fusebox. There water-pump drive belt is not on that side, so I don't think it's the water pump or its idler pulley. I have posted a ten-second sound recording on YouTube, greatly amplified. (Ignore the video portion.)
View 5 RepliesI have a 2004 Hyundai Sante Fe 2.4L that keeps blowing the ECU fuse under the hood when the ignition is turned on. We have replace the fuel pump and the inertia switch. I have tested the relay, ignition failure sensor, both coils and O2 sensor wiring.
View 10 RepliesI am brand new to the forum. Just got a 2008 prius from a small father-son dealership and am getting used to the new sounds (or lack thereof) under the hood. I am getting a " winding down" kind of noise from in front of the driver after I turn the car off. it does not happen unless I have driven at least a short distance: i cant just run it in the driveway and then shut down and hear it. Is this normal, and what might it be?
View 6 RepliesFor the past few months I've been hearing a loud fan-like buzzing noise coming from the passenger side of the front of the car. I don't know that much about cars, but it almost sounds like the engine is racing or something is spinning too fast. It has gotten increasingly worse, and seems especially loud at high speeds on the highway.
It is not the heating/cooling fan - the noise is present when the heating/cooling system is 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.
View 11 RepliesI have been getting a buzzing sound under my hood, usually in cold weather that lasts a few seconds, happens after I go about 1-2 miles from my house, did online research and it might be my IAC valve getting internally dirty.
Could replace it for $50.00, some You Tube videos show people cleaning theirs on other brands of cars, can the Ford IAC valve be cleaned up with a little carb cleaner and cotton swabs?
I'll be driving along, and when I make a relatively hard right turn, I'll hear a buzzing coming from under the hood from that point until my destination. If the car is stopped (usually about 10-20 mins) I'll start it back up and no buzzing.
I've tried pulling over and stopping/starting the car with no luck. I've shifted gears, including into park and neutral, with no luck. I"ve even tried a hard left turn (no luck)!
The buzz is not terribly loud, but rises and falls perfectly with engine RPMs. At idle it's not noticeable, but increases in pitch with the RPMs. It sounds like the engine sounds on a really cold day before it warms up. If I put it in park I can rev the engine and reproduce the same effect as when driving. It doesn't go away at a certain point i.e. I don't think it's resonance.
This is a 1998 Nissan 200SX with about 90K miles.
I recently replaced the fuel pump and afterward started noticing a buzzing/whining sound coming from under the hood. The noise goes away when I remove the vacuum line from the fuel pressure regulator and after the car has been driven for 1/2 to 1 hour. Sometimes it comes back, sometime not, but it always is there at a cold start. Had the shop take a look and they said the fuel pump is ok and recommended replacing the fuel pressure regulator. I did but that but it did not solve it. I suppose I should check the fuel pressure. 2000 Silverado 5.3L ...
View 1 RepliesI'm having several problems, and I'm wondering if they are related: Sometimes the heat/ac/vent blows on the windshield instead of where they are supposed to be. Occaisionally it works at first, and then changes after a few minutes to blow onto the windshield.
Sometimes I get a buzzing sound under the hood. Usually when I'm stopped, but sometimes while moving. The car idles high when this happens. If I tap the accelerator, this usually stops the noise and the idle drops to normal.
This morning, the brake warning light kept coming on while using the brake. The fluid level and pedal are OK, and the car stops OK. Then the buzzing sound came on, the engine light came on, and the brake warning light went out at the same time. The brake light hasn't come on since. The scanner tool indicates the IAC was running too fast.
The dealer had my bluetooth set up for me but since day one theres been a buzzing noise when talking through it. Other people on here have experienced it as well. Someone on here said the cancelled theirs out and then reconnected their phone and the buzzing disappeared. I managed to disconnect mine but even following the owners manual, I can't get mine reconnected. It keeps saying no device found.
View 1 RepliesI cancelled out my bluetooth because of a buzzing noise heard through the speaker when talking to people. A person on here had said they disconnected theirs and then set it up again and buzzing disappeared. I managed to disconnect it and followed the owner's manual to reconnect it but it keeps saying no device found.
View 8 RepliesWe parked the V in the garage at 5 pm, and at 11pm went out into the garage for something, and heard a buzzing, but had a hard time trying to locate the noise. it seemed to be coming from the V. so i opened the drivers door , and after a couple seconds it stopped. then i closed the door and it started again. i opened it a second time it stopped again, after i closed it, it didn't start buzzing again ??? does this happen to other peoples prius's
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