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How to reset check engine light GMC?

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βˆ™ 2014-05-30 21:40:46

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AnswerIf 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.
2014-05-30 21:40:46
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