cyl #6 missfire
Posted in the Chevrolet Venture Forum
#1 Feb 1, 2011
Has anyone had a problem with a PO300 code which shows as a intermittant cyl #6 missfire? We have replaced plugs, wires, fuel injector,crank sensors,mass airflow, and checked for vac leaks. We think the injecter is not getting a signal to fire from the pcm.
#2 Jun 8, 2011
Did you test the EGR Valve?
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