GM and GMC
Crankcases and PCV Valves
Check Engine Light
How To

How to reset check engine light GMC?

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Wiki User
2014-05-30 21:40:46

"Answer" id="Answer">Answer

If it's an OBD2 system (1996 & newer... some 1994 + 1995) you

will need a diagnostic handheld tool to delete the trouble codes.

Most National Auto Parts Stores (Autozone, Western Auto, Parts

America) will do this for free.

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