Recent content by coreygeoffrey
-
C
P0300, Random misfiring at idle, Counterfeit Spark Plugs?
2017 GMC Yukon 5.3L 4WD. BLUF: Only use AC Delco spark plugs and wires!! For standard maintenance, I changed my spark plugs and wires. Ordered plugs and wires from RockAuto, which I really really like.i ordered the NGK plugs they recommended (I’ve always liked NGK and this is my first GM...- coreygeoffrey
- Post #6
- Forum: Engine & Drivetrain
