p0300, random misfiring

Asked by Oct 19, 2010 at 09:34 PM about the 2000 GMC Sonoma SL Reg Cab Short Bed 2WD

Question type: Maintenance & Repair

coil with 1 n 4 plug dont fire, changed the coilpack, plugwires, no help checked fuses. HELP.

1 Answer

12,615

The Ignition Module gives the Coils their signals ... Module is intermittantly dead on one curcuit ...

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