P0357 Ford - Ignition Coil 'G' Primary/Secondary Circuit Malfunction
- Faulty Ignition Coil 7
- Ignition Coil 7 harness is open or shorted
- Ignition Coil 7 circuit poor electrical connection
- Faulty Engine Control Module (ECM)
When is the code detected?
Each ignition circuit is continuously monitored by the Engine Control Module (ECM). The test fails when the ECM does not receive a valid pulse signal from the ignition coil.
- Engine Light ON (or Service Engine Soon Warning Light)
- Lack/Loss of Power
- Engine may be harder to start
- Engine hesitation
- Rough engine idle
P0357 Ford Description
The ignition system on the vehicle uses individual ignition coils for each cylinder. The Engine Control Module (ECM) controls each ignition coil operation. The ECM sends a ON/OFF signal to energize the ignition coil to create a spark at the spark plug when a spark is required at the cylinder.
FORD Technical Service Bulletins for P0357 code
1997 FORD E SERIES Unknown Or Other Details
1997 FORD F SERIES Unknown Or Other Details
1998 FORD E SERIES Unknown Or Other Details
1998 FORD F SERIES Unknown Or Other Details
1999 FORD E SERIES Unknown Or Other Details
1999 FORD F SERIES Unknown Or Other Details
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