P0202 Code - 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 03-12-2007, 12:09 PM   #1
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Default P0202 Code

Reoccurring P0202 code (MAF low voltage). It also will die when slow down for a stop or coasting.

After reading the post about the gross throttle body maybe I should take it off and check and clean it?

Would the P0202 cause it to die like that or is there another underlying problem?

180K on the clock
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Old 03-12-2007, 12:14 PM   #2
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Things to do and check:

Follow this guide http://www.bonnevilleclub.com/forum/...e=article&k=64 and look for possible corrosion on the MAF connector and harness. Use dielectric grease when you reinstall the connector.

Check your alternator output at idle. Low voltage can cause trouble with sensors and the PCM.
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