P0354 Diagnostic Trouble Code Discussion for June 2004
Ignition Coil 4 Control Circuit Malfunction
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| Help Request | Posted | |
| 1999 Jeep Grand Cherokee Limited 4.7L Poor Idle Quality, MIL Lamp on VIN: 1J4GW68N9X P0354: Ignition Coil 4 Primary Circuit Malfunction. Jeep came in with 3 misfire codes and 2 coil circuit codes. tuned up the vehicle and misfire codes and one coil code are gone. Tried swapping coils from 2 other cylinders and code stays on cyl #4. Ignition primary scope looks good. Wiring harness ohmed out goo... |
June 24, 2004 | |
| 1999 Jeep Grand Cherokee Limited 4.7L Poor Idle Quality, MIL Lamp on VIN: 1J4GW68N9X P0354: Ignition Coil 4 Primary Circuit Malfunction. Jeep came in with 3 misfire codes and 2 coil circuit codes. tuned up the vehicle and misfire codes and one coil code are gone. Tried swapping coils from 2 other cylinders and code stays on cyl #4. Ignition primary scope looks good. Wiring harness ohmed out goo... |
June 29, 2004 |
