Chevrolet Repair Questions? Ask a Chevy Mechanic for Answers ASAP
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Often this problem can be caused by a faulty crankshaft position sensor or it just needs to be relearned Disconnect battery cables and short them together for a few minutes to reboot the Electronic Control Module memory. Reconnect the cables and perform the Crankshaft Position relearn using a scan tool, this can also possibly be a timing problem or a faulty ECM