SES light during acceleration - 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 08-19-2003, 04:10 AM   #1
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Default SES light during acceleration

Recently I've noticed my SES light come on sometimes when accelerating. Usually in second gear, not particularly quick. Usually accompanied by some feeling of KR, not exactly pulling like it should. It'll go away in a few seconds. Doesn't seem to do it under hard accel. Haven't got codes yet, can I get stored codes from the good ol' jump the pins technique? Any ideas? I think someone had this problem recently, but I can't find it.
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Old 08-20-2003, 04:08 AM   #2
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Ok, I've got codes 56 and 57. I believe it'* being caused by Jeffery10x2'* boost dump bypass trick, by reading the printout Autozone gave me.
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Old 08-20-2003, 09:55 PM   #3
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Sounds like problems with the boost control solenoid.
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