P0403
Tests 341 - 345:
Tests 346 - 348:
SYMPTOM
P-0403 EGR SOLENOID CIRCUIT
POSSIBLE CAUSES
- Fused ignition switch output circuit open
- EGR solenoid defective
- EGR solenoid circuit wiring harness inter defect
- EGR solenoid circuit wiring harness observable defect
- EGR solenoid control circuit open
- EGR solenoid control circuit short to ground
- PCM defective EGR solenoid circuit