Misfire Or Rough Running

Misfire or rough running

Troubleshoot the injector control module circuit Injector Control Module Circuit Troubleshooting.

Replace the fuel filter A element Fuel Filter A Element Replacement.

Replace the fuel filter B element Fuel Filter B Element Replacement.

Troubleshoot the fuel shut-off solenoid valve 1/fuel shut-off solenoid valve 2 circuit Testing and Inspection.

Also check for

Clogged injector

Also check for

Fuel contamination

Also check for

Manual shut-off valve problems