2003 buick park ave was runing on 4 cylinders i changed back 3 plugs and wires now it wont start

Asked by Renegade_2208 Feb 12, 2017 at 04:35 PM about the 2003 Buick Park Avenue

Question type: Maintenance & Repair

1 Answer
223,915

Rowefast answered 7 years ago

Possible causes; Faulty spark plug (s), Faulty ignition coil (s), Clogged or faulty fuel injector (s), Intake air leak, Fuel injectors harness is open or shorted, Fuel Injectors circuit poor electrical connection, Ignition coils harness is open or shorted, Ignition coils circuit poor electrical connection, Insufficient cylinders compression, Incorrect fuel pressure.

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