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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 65?

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Old Jun 25, 2009 | 10:19 PM
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Default Code 65?
My check engine light came on today, just pulling out of the driveway. I found a code 65.

64 is a MAP sensor problem, and 66 is a AC problem, but the manual doesn't list a 65..

I'm not real worried about it, but it is curious. I've also got a code 43, but thats a different thing altogether...
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Old Jun 25, 2009 | 11:59 PM
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DTC - 65 Right bank O2 sensor rich exhaust indicated


thats what i found, i dont know what to do but i hope it helps
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Old Jun 26, 2009 | 07:08 AM
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We only have one bank exhaust monitoring

Which car is this on?
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