P1357
Ignition Diagnostic Monitor Pulsewidth Not Defined
Severity
⚠️ MediumCan you drive?
Limited driving only, diagnose soon
Approx. repair cost
$17–89 (est.)
Symptoms
- Unstable engine operation
- Power Loss
- Increased fuel consumption
- Engine stalls at idle
- Check Engine light comes on
Causes
- Ignition module malfunction
- Problems in the ignition control circuit
- Broken or shorted wires
- Ignition coil failure
- Engine control unit (ECU) malfunction
How to Fix
- Check the integrity of the wires and connectors of the ignition system
- Test the ignition module
- Check ignition coil(s)
- Diagnose the engine control unit
- Replace faulty components