Whole car shakes/vibrates at idle - ClubSi
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#5730731 - 08/09/11 08:17 PM Whole car shakes/vibrates at idle
normaspirated Offline
Post Master Supreme


Registered: 11/04/99
Posts: 16596
Loc: Illinois
When I'm idling, the whole car shakes/vibrates. It's not struggling or dying when idling. The car just vibrates everywhere until I start accelerating. Here's what I've noticed:

-Car idles perfectly fine (between 700-800 rpms). RPM needle doesn't fluctuate whatsoever.
-Opened the hood, and engine doesn't shake or vibrate violently.
-Gauge cluster lights (like the transmission gear light) sometimes dim/flicker though, when I'm at a complete stop.

Any ideas? Alternator starting to go bad? Battery dying? <--(Doubt it, but eh) Engine mounts? 95 Honda accord v6.
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#5730751 - 08/09/11 08:26 PM Re: Whole car shakes/vibrates at idle [Re: normaspirated]
KenNN Moderator Offline
Post Master


Registered: 03/17/01
Posts: 2948
Loc: Virginia, USA
Knock the easy stuff out first.

Check battery voltage first with ignition off. Then check alternator output.

Then check for any vacuum leak in the intake.

Then check the idle control system. It may be really gunky/clogged up.

Then it's more serious like fuel, spark, timing, compression, etc.
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#6515805 - 08/10/12 03:57 AM Re: Whole car shakes/vibrates at idle [Re: KenNN]
patconor Offline
Newbie


Registered: 01/24/11
Posts: 12
 Originally Posted By: KenNN
Knock the easy stuff out first.

Check battery voltage first with ignition off. Then check high voltage alternator output.

Then check for any vacuum leak in the intake.

Then check the idle control system. It may be really gunky/clogged up.

Then it's more serious like fuel, spark, timing, compression, etc.

Same advice that I would be giving. But the first 2 things to check is a bit crucial. If everything above is okay, then I think you need to check for a blown head gasket. And check the oil color if it is like milky.

Edited by patconor (08/12/12 01:08 AM)
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#6529076 - 08/15/12 11:16 PM Re: Whole car shakes/vibrates at idle [Re: patconor]
4doorEG Moderator Offline
Post Master Sr


Registered: 11/23/01
Posts: 5731
Loc: Overland Park, KS
No need to bump a one year old thread
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