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.

code 56 any help?

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Old 04-29-2004, 11:23 AM
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Default code 56 any help?

I'm getting a code 56 and some fluxuating idle , speeds up, . sunpro scaner for codes suggest Corrsity/add coolant or port throttle system vacum sensor problems or quad B driver . cann't find anything in Haynes auto repair about port throttle system vacum sensor problems or quad B. any help?
Old 05-01-2004, 08:50 AM
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What is your year and trim line?
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