I have 02 sileverado all new coil packs plugs wires and the check engine light still blinks they say misfire but truck runs smooth a little rough idling sometimes but not much replaced the 02 cenor

Asked by Sep 12, 2016 at 10:19 AM about the 2002 Chevrolet Silverado 1500

Question type: Maintenance & Repair

1 Answer

11,595

" little rough idling sometimes" I call this a misfire! buy a code reader read the codes and be sure. If you know how check the fuel pressure in PSI

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