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Symptom: P0354-IGNITION COIL #4 PRIMARY CIRCUIT When Monitored and Set Condition: P0354-IGNITION COIL #4 PRIMARY CIRCUIT When Monitored: With battery voltage greater than 8 volts during engine cranking or greater than 12 volts with engine running, engine rpm less than 2016, and none of the coils Set Condition: Peak current is not achieved with battery based dwell plus 1.5 msec of diagnostic offset. It takes less than 3 seconds during cranking or up to 6 seconds while POSSIBLE CAUSES COIL DRIVER NO. 4 CIRCUIT OPEN WIRING HARNESS INTERMITTENT COIL DRIVER NO. 4 CIRCUIT SHORTED TO GROUND COIL ON PLUG NO. 4 POWERTRAIN CONTROL MODULE (COIL DRIVER NO. 4) TEST ACTION APPLICABILITY 1 Turn the ignition on. t, read DTCs. Is the Good Trip Counter displayed and equal to zero for P-0354? 4.7L V8 Yes → No → 2 Turn the ignition off. 4.7L V8 Yes → No → Repair the open coil driver no. 4 circuit. 3 Turn the ignition off. 4.7L V8 Yes → No → Replace the coil on plug no. 4. 157 DRIVEABILITY - GAS |