2nd Generation Specific (1986-1992) 1986-1992 Discussion including performance modifications and technical support sections.

Bone stock 90 GXL auto>sound clip/idle problem

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Old Jun 17, 2004 | 06:11 PM
  #1  
sman789's Avatar
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From: va beach/blacksburg 4 school
Bone stock 90 GXL auto>sound clip/idle problem

Heres a sound clip of my exhaust at idle....some times it starts perfect at 750 and i'll drive and the idle will stay good or bounce around from 600-800 or sumtimes 500-1000.
small clip
the sound byte is when its idling 600-800
can anyone suggest what to check?

Last edited by sman789; Jun 17, 2004 at 06:13 PM.
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Old Jun 18, 2004 | 01:09 AM
  #2  
Kenteth's Avatar
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From: Rapid City, SD
Sounds like a minor of my 800-1500 idle (I hate that... augh). I know mine is because my 2ndary plates are a tad bit too open. But I broke off the adjust ment screw so I'm SOL there.

Goodluck finding the cause though, I remember my car did that on and off for the longest time...
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Old Jun 18, 2004 | 01:11 AM
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From: NY, MA, MI, OR, TX, and now LA or AZ!
Vac leaks, dirty BAC, misadjusted TPS, bad grounds, the list goes on and on. Just do a full tune-up, clean the BAC, add a couple extra grounds, check the TPS, run some injector cleaner and hope for the best. These damn cars never idle well, especially the series 5's
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