Question about 1993 GMC Jimmy

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Resetting the computer

The engine light stays on. replaced what needed to be replaced but the computer won't update. tried to reset it by turning the battery off then back on but it still didn't reset. how do I reset the computer?

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Molson02536 gave you a good link to follow for self-diagnostic. Post the retrieved code for further assistance.

Posted on Jun 29, 2009

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Here is a link that should help you. http://www.troublecodes.net/GM/  The code will stay active as long as there is still an issues with the Engine management system. Good luck and keep me posted. 

Posted on Jun 29, 2009

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