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* Was getting P0300 codes replaced fuel injectors, spark plugs, ignition coil, checked for vacuum leaks. It was running good with no codes for a couple days now the engine light comes on and the traction light with it and sluggish. Sometimes after stopping at a red light the car won’t go for a few seconds then takes off.
How long has your 2009 Pontiac G6 had this problem?
More than a week
1 Reply
Thanks so much for reaching out, Misfire codes can have a number of causes. The most common being related to fuel or spark. You're certainly on the right track with fuel. I would swap spark plug and wire/coil with another cylinder and see if the CEL changes to that cylinder. If so, then it would most likely be a spark issue with one of those components. Aside from fuel there could also be issues with wiring, also worth inspecting. Reach out if you have further questions and we will do our best to help! Thank you for reaching out to Car Genius. -Austin