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1992-1999 Series I L27 (1992-1994 SE,SLE, SSE) & Series II L36 (1995-1999 SE, SSE, SLE) and common problems for the Series I and II L67 (all supercharged models 92-99) Including Olds 88's, Olds LSS's and Buick Lesabres Please use General Chat for non-mechanical issues, and Performance and Brainstorming for improvements.

Looping when first started

   
Old Oct 30, 2009 | 01:44 AM
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Default Looping when first started
Everytime the idle bounces below 500 rpm either catches itself or stalls. no prob any other time and car runs well.
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Old Oct 30, 2009 | 07:11 AM
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Start by checking for vacuum leaks. Also check your TPS. There'* a test for that in the tech info testing area.
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Old Oct 30, 2009 | 07:19 AM
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When was the last time the throttle body was cleaned? Possibly a sticky IAC valve is causing the vacuum leak that is giving you the lope.

Do what I do.. tell people you have a cam
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Old Oct 30, 2009 | 05:40 PM
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x2 on the IAC, I spent forever looking over my car until I took the TB out and cleaned it, now its nice and shiney inside
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