Question about 2003 GMC Envoy
You should try resetting the computer. This is done by pulling off the negative cable to the battery. Pull it off for 20 seconds, on for 10 then back off for 20 then back on permanately. You may have tripped the anti theft system on your vehicle. This may or may not solve your problem, but will eleminate some things. Good luck to you. Thanks for using fixya!
Posted on Dec 11, 2008
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Posted on Jan 02, 2017
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