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My 2007 colorado will not start on some mornings. my mechanic had it for 2 days and it started fine and said it needs to not start for him to be able to fix.about 2x a week it wont start waiting 20 mins then it usaully starts.

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The security module is causing this to happen. Have him check that out for you. When they start to go bad it seems at radom days once in awhile the engine will not start

Posted on Nov 14, 2010


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