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1999 GMC Safari CAR BACK FIRING AND KNOCKING
CAR BACK FIRING AND KNOCKING
What is your question?
I CHANGE FUEL PRESURE REGULATOR AND ENGINE IS NOW BACK FIRING AND KNOCKS ALMOST SOUND LIKE SOMETHING FELL INTO CYLINDER BUT ALREADY CHECK AND NO MISSING SCREW OR TOOLS.
RepairPal Certified shops can diagnose and repair your 1999 GMC Safari. They provide transparent pricing with a minimum 12-month or 12,000-mile warranty on repairs and services.