Mechanics

GMC JIMMY COMPRESSION PROBLEM

1997 GMC Jimmy • 80,000 miles

My 1997 jimmy motor misses during warm up it has a 6cylinder motor and no check light comes on to tell what it is
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December 1, 2012.



Check engine never identifies a bad part, just a failed system

start with basics, compression, plug, wire, injector or wiring, and vacuum leaks

Roy