FREE REPAIR MANUALS & LABOR GUIDES 1982-2013 Vehicles
Courtesy of Operation CHARM: Car repair manuals for everyone.

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