Misfire cylinder 1
Asked by Christinekeathley Nov 26, 2019 at 11:44 AM about the 2003 Buick Park Avenue Ultra FWD
Question type: General
Keeps throwing up misfire code. Has hesitation going
uphill. U can feel when it misfires.
3 Answers
When was the last time you changed the spark plugs and wires? If you don't remember, it might be time again.
Christinekeathley answered 4 years ago
Plugs wires new. New fuel pump and filter o2 sensors and knock sensors replaced. Only issue is when im on very hilly roads it will start missing snd loosing power till over hill.
Christinekeathley answered 4 years ago
Plugs wires new. New fuel pump and filter o2 sensors and knock sensors replaced. Only issue is when im on very hilly roads it will start missing snd loosing power till over hill.