Possible Causes
| Possible Causes |
|---|
| EVAP PURGE SOLENOID VACUUM SUPPLY |
| EVAP PURGE TUBE OBSTRUCTION |
| OBSTRUCTION IN THE VENT HOSE OR FILTER |
| ESIM ORIENTATION OR INSTALLED INCORRECTLY |
| LARGE EVAPORATIVE EMISSION LEAK |
| ESIM SIGNAL CIRCUIT OPEN |
| ESIM GROUND CIRCUIT OPEN |
| EVAPORATIVE SYSTEM INTEGRITY MONITOR (ESIM) SWITCH STUCK OPEN |
| EVAP PURGE SOLENOID |
| POWERTRAIN CONTROL MODULE (PCM) |
Always perform the PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE before proceeding. Refer to PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE .