Applicable Systems
OBD-II
Symptoms
EVAP purge valve electrical circuit malfunction; ECM cannot control purge valve; valve stuck in last position.
Possible Causes
- Purge valve solenoid open/short
- Purge valve wiring fault
- ECM driver circuit failure
Troubleshooting Steps
- Step 1: Check purge valve solenoid resistance
Resistance within spec - Step 2: Check wiring from ECM to purge valve
Wiring intact - Step 3: Check purge valve fuse
Fuse intact - Step 4: Replace purge valve if solenoid faulty
New valve responds to commands - Step 5: Clear code and verify purge operation
Purge valve operates correctly
How to Reset
Clear with OBD-II scanner after repair.
Common Replacement Parts
- EVAP Purge Valve (OEM spec)
Frequently Asked Questions
- Q: Where is the purge valve located?
Typically near intake manifold or engine bay. Some vehicles have it near the charcoal canister under vehicle. Check service manual for exact location.
Comments (0)
Share your experience to help others facing the same problem.
Leave a Comment
Source: SAE J2012 standard DTC list + OBD-II portal
Category: OBD-II
No comments yet. Be the first to share your experience!