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engine buzzzzz on then off and back again

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Old Dec 15, 2007 | 04:54 PM
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From: Chino Hills
Angry engine buzzzzz on then off and back again

Like it says,
I did search for this noise and i dont care who flames on me. I swear i have more questions about this new car than my used rx7. Ok, to get to the point on the passenger side, therer is a noise that goes on then off then on then off and there is no set time is buzzes for. it like a hi pitched noies that is like bzzzz then off then bzzzzzzzzzzzzzzzzzzzzzz then stops then bzz. I tryed listening to figure where it came from and the closest i got was near the spark plugs area towards the front of the engine on the passanger side. If anyone else has this sound let me know, if no one can figure out this sound i will try to get a clip. It only does it on the passenger side from what i can see. Thanks for all the help
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Old Dec 15, 2007 | 07:55 PM
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It's your cell phone, take it off vibrate.
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Old Dec 15, 2007 | 09:32 PM
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only a dumb a## like your self would leave the phone in his engine bay.
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Old Dec 15, 2007 | 09:53 PM
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Cat heat shield probably
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Old Dec 15, 2007 | 10:21 PM
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does the car buzz or is it just a buzz sound?
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Old Dec 16, 2007 | 12:52 AM
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PCV valve.

Take a set of needle noise plyers. Remove the engine cover if its on. Locate the black hose going from the top front of the passenger side valvecover to the front of the intake manifold. Its about 1/2" outside diameter. It should be about 6" long with a 90 degree bend on the valvecover side. While the engine is running/buzzing, use the plyers to pinch shut that vacuum hose in the middle, notice how the noise stops.

Its totally normal, nothing is wrong.
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Old Dec 17, 2007 | 12:28 AM
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when i get a chance to try that i will. I just never noticed this. Thanks a whole lot, i really appreciate the imput. I have enough crap to deal with at UPS, it's that time of year. Is there any reason i woud mainly only hear it on the passenger side though???
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Old Dec 17, 2007 | 07:58 AM
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yea, cause its on the passenger side
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