1993 SE High Idle - 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 08-06-2015, 06:54 PM   #1
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Default 1993 SE High Idle

Am having an occasional problem with car high idleing. Was driving car yesterday and noticed that it seemed like when I was at a stop sign there was some pull (acceleration) feeling in the car. Shifted into neutral and idle speed was around 2300. Shut car off and restarted and it was back to 800 at idle. Had this problem with my 01 Saturn and I ended up replacing the TPS. Would this problem be caused by the TPS going bad? Happened once this morning as well.
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Old 08-06-2015, 10:07 PM   #2
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It could also be a gummed up IAC or throttle body.

If it has never been cleaned, that may be a good idea to address anyway, and from there, if the problem remains, start checking sensors. Thankfully the TPS is an easy and straightforward check.
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