reading 94 3800 n/a codes - 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 08-18-2003, 02:14 PM   #1
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Default reading 94 3800 n/a codes

Since my last tune up about a month ago my 94 lesabre has been throghing and SES light occasionally, and it varies under different driving conditions. YOu could drive it like a bat out of hell, and it won't come on, and then u can drive it like a little old lady and it will. All the gauges, temp, alt, oil are fine on the dash, car doesn't run with any problems when the light is on. So i don't want to pay for a dealer to read the code for me when theres nothing blatenly wrong with it. I know the trick listed in the techinfo stops at model year 93, i was wondering if anyone has had sucess with it in a 94, I don't want to screw it up.

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Old 08-19-2003, 10:02 AM   #2
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it is just about to turn 60,000 and to my knowledge the 02 sensor has never been replaced.

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