car hesitates at first then fine - 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 05-29-2010, 02:45 PM   #1
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Default car hesitates at first then fine

hey i have a 1998 oldsmobile lss with the 3800 series 2 non supercharged engine and when i start the car after it has already ran like a run into a store then come out and start the car it hesitates at first then drives fine until i turn it off and it does it again but first thing in the morning if i start the car i dont have this problem or if it sits for a few hours in between starts i have done a full tune up and changed the catalytic converter also when i say full tune up i mean everything does anyone have any suggestions as what could be causing this problem
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Old 05-29-2010, 10:27 PM   #2
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Did it do this before the tuneup?
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Old 05-29-2010, 10:35 PM   #3
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Check your EGR.
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Old 05-29-2010, 10:55 PM   #4
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No I didn't notice it before but I haven't had the car very long and dan I looked at the egr and it looked fine what would be the problem with it
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Old 05-29-2010, 11:00 PM   #5
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Could be a stuck open Pintle. This is like a large vacuum leak.
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Old 05-29-2010, 11:08 PM   #6
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Ill check that tomorrow the car still idles fine at stoplights after It is running and I give it gas for about 5 to 10 seconds during that time is the only time I experience the problem
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Old 06-01-2010, 12:04 PM   #7
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hey i checked the egr and the pintle looked seated could it only be stuck open when the car is started
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