Possible Causes
WARNING: This page is about a different car, the 2016 Jeep Wrangler and 2015 Jeep Wrangler. However, it is still accessible from the selected car via links, so may be relevant.
| Possible Causes |
|---|
| EVAP PURGE SOLENOID VACUUM SUPPLY |
| EVAP PURGE TUBE OBSTRUCTION |
| OBSTRUCTION IN THE VENT HOSE OR FILTER |
| ESIM SIGNAL CIRCUIT OPEN |
| ESIM SENSOR GROUND CIRCUIT OPEN |
| ESIM ORIENTATION OR INSTALLED INCORRECTLY |
| LARGE EVAPORATIVE EMISSION LEAK |
| EVAPORATIVE SYSTEM INTEGRITY MONITOR (ESIM) SWITCH |
| EVAP PURGE SOLENOID |
| POWERTRAIN CONTROL MODULE (PCM) |
Always perform the PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE before proceeding. Refer to PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE .