Possible Causes
NOTE: The listed causes may not be a complete list of all potential problems and there may be other causes.
- Faulty sensor coil or crankshaft position sensor
- Faulty ignition control module
Description
The undefined ignition diagnostic monitor pulse width is the generic description for Ford code P1357, but the manufacturer may have a different description for your vehicle model and year. Currently, we do not have additional information about Ford OBDII code P1357.
How to Repair
Check the “Possible Causes” listed above. Visually inspect the related wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector pins.
Possible Symptoms
- Check engine light on (or service engine soon warning light on)