Cylinder 1 misfire

Hi, My Cylinder one misfire situtation is like this. Engine hot or cold it will misfire. Turn engine off and back on it will be ok for a little while. Installed new spark plugs. Swapped coil packs. It did not help. Still shows cyliner one misfire. Did the screwdriver test. Some time it clicks and sometimes not. Any ideas? I would like to know where the respective injector ground wires are at the ECM. Anyone has the fuel injector electrical diagram? Thanks.

Hi,

My Cylinder one misfire situtation is like this. Engine hot or cold it will misfire. Turn engine off and back on it will be ok for a little while. Installed new spark plugs. Swapped coil packs. It did not help. Still shows cyliner one misfire. Did the screwdriver test. Some time it clicks and sometimes not. Any ideas? I would like to know where the respective injector ground wires are at the ECM. Anyone has the fuel injector electrical diagram? Thanks.

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