Low idle and chuging at 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 09-05-2010, 01:03 AM   #1
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Default Low idle and chuging at Idle

1992 SE, Series I. when started and sitting at idle the car will idle low and revs will bounce up and down from about 800rpm'* to 1000rpms, or the car just kind of chugs a little. Besides that the car runs perfect, except for a slight jerk/play in the tranny when taking of from a dead stop (due to my girlfriend not knowing how to ease into the gas on take off)
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Old 09-05-2010, 08:44 AM   #2
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Check for vacuum leaks. Have you done anything to her recently? Might have knocked something around.
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Old 09-05-2010, 11:13 AM   #3
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its done this since ive bought it.. ive looked for any leaks or unhooked lines
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Old 09-14-2010, 12:22 AM   #4
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egr valve needs cleaning. use a new gasket when reinstalling.
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Old 09-14-2010, 12:56 AM   #5
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Do not take this the wrong way as i have seen heard and drove steve'*(raptors) car it is very nice and i noticed it does this upon start up.My first thought was maf or bad vaccum lines somewhere or a leak
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Old 09-14-2010, 12:58 AM   #6
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Hey steve pull the maf and clean it along with the hole it sets in make sure u blow the air towards the airbox and not the intake tho
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Old 09-14-2010, 02:03 AM   #7
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Quote:
Originally Posted by 93bonnieNclyde View Post
egr valve needs cleaning. use a new gasket when reinstalling.
I believe the 1992'* dont have a egr valve.. or maybe im thinking of something else
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Old 09-14-2010, 08:31 AM   #8
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Some do..some don't. If it'* there, it'll be attached to the front exhaust.
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Old 09-14-2010, 11:26 AM   #9
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well probably here this weekend when i come over ill bring a tool set and we will look at it i owe you 200 bucks btw got a guy coming later to pick up the ssei
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Old 09-14-2010, 01:41 PM   #10
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really? that was quick! from craigslist?
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