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Subject: "new sound when letting off throttle??" Previous topic | Next topic
EclipseSixApr-20-06 12:28 PM
Member since Jan 27th 2004
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#98045, "new sound when letting off throttle??"
Apr-21-06 05:19 AM by EclipseSix



          

After some hard driving this week I noticed a difference in the sound of the engine.

It only happens when I go over 3500 RPMS and let off the gas completely. It just sounds like the engine is louder than usual, and a different tone, like, not raspy but...it sounds like a straining engine sound, or as if I had put a cheap muffler on, however the sound comes from the engine bay, no anywhere down the exhaust line.. Could it be intake/exhaust related? I have a CAI, but I don't think that has anything to do with it, I'm guessing its exhaust related since the Throttle plate is closed when this sound happens. Maybe a leak somewhere? At least I'm hoping its that and not some internal engine problem emoji

  

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Graph-XApr-20-06 01:38 PM
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#98046, "RE: Strange new sound, need input"
In response to Reply # 0


          

I think that sound would be an Aphex Twin track.

  

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EclipseSixApr-20-06 01:52 PM
Member since Jan 27th 2004
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#98048, "RE: Strange new sound, need input"
In response to Reply # 1
Apr-20-06 01:53 PM by EclipseSix



          

stock GS exhaust on it. Theres also a slight rattle that may or may not be related, i can only hear it at idle. I will be getting under the hood this weekend to see if I can find anything, but to be honest I don't know much of what to look for yet.

Just want to reiterate, the sound only happens when I go over 3500 rpms and completely let off the throttle. If I go to around 4000 rpms and and shift to the next gear, no sound (its an auto), or if i let the throttle off slowly.

  

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96eclipse2nrApr-21-06 06:50 AM
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#98070, "RE: Strange new sound, need input"
In response to Reply # 2


          

i dunno..i mean...every car that iv ever heard gets a little louder and lower (although on the exhaust end) when they just completley step off the gas at decent rpm emoji

-----------------------------------------
2011 Nissan Xterra Pro-4x

2007 Kawasaki Ninja 650R

1996 Mitsubishi Eclipse RS-NX 75 shot, AEM CAI, P&P t/b and intake mani-SOLD

1964 Buick Electra 225-all original, all power options, 325hp, 445ft/lbs tq

  

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EclipseSixApr-21-06 05:39 PM
Member since Jan 27th 2004
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#98087, "RE: Strange new sound, need input"
In response to Reply # 3




          

Yeah but this sound is brand new. Its like a loud whining sound. AAAEHHHHHHH is basically what it sounds like, a really annoying whine. I'll take a sound clip tomorrow probably.

  

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aivanne182Apr-25-06 05:35 AM
Member since Jul 24th 2005
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#98166, "RE: Strange new sound, need input"
In response to Reply # 4




          

i have a similar problem, when i let go off the gas pedal at high rpms, my car sounds like an electric toy car.....the weird noise comes from the right side of the engine bay.....it's annoying, but the car runs perfectly fine tho....

Quit your job
Sell your car
Get on a plane
Surf and party
Fall in love
Never come back...

  

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