Se 93' idle problems - GM Forum - Buick, Cadillac, Chev, Olds, GMC & Pontiac chat

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.

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Old 08-22-2007, 07:34 PM   #1
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Default Se 93' idle problems

A few days after doing tranny overhaul, I was driving the car and I notice the idle is pretty high, about 1000-1100rpm, I was parking the car, puting into P and the idle was 3000 RPM !
In Neutral mode it'* 3000Rpm as well, D and R is ok..
I parked the car, when I came back after 2 hours or so, it was fine, idle 900~ and no problems.

What should I check? what may cause this kind of problem?

Any help is appericiated,
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Old 08-23-2007, 09:08 AM   #2
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Nothing. If it doesn't come back, don't worry. If it does, remove the throttle body and clean it and the IAC, as well as the IAC passage.
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