Check Engine Light - Page 2 - 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 02-06-2010, 10:54 AM   #11
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That'* funny, I was in Worcester on Saturday at 8PM visiting the DCU Center.

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Old 04-22-2010, 03:27 PM   #12
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I just went through this with my 97 bonne. According to technical service bulletin #67-65-32 the p0121 code could from an overly sensitive computer if the build date of the car was prior to 9-15-96. If the computer has never been re-flashed, have it done at a good parts store, garage, or the dealer. It cured mine.
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