Possible Causes
WARNING: This page is about a different car, the 2024 Jeep Grand Wagoneer L and 2024 Jeep Grand Wagoneer. However, it is still accessible from the selected car via links, so may be relevant.
| Possible Causes |
|---|
| FUEL TANK SENSOR 5-VOLT SUPPLY CIRCUIT OPEN OR SHORTED TO GROUND |
| BLOCKAGE/FLASH AT THE PORTS ON THE CAC/INTAKE MANIFOLD OR THE AIR CLEANER |
| EJECTOR TEE PURGE TUBE (B) OBSTRUCTED OR BROKEN |
| TUBE BETWEEN THE CAC/INTAKE MANIFOLD (E) AND EJECTOR TEE OBSTRUCTED OR BROKEN |
| EJECTOR TEE MALFUNCTION |
| OBD VENT VALVE |
| FAULTY PURGE SOLENOID |
| FUEL TANK PRESSURE (FTP) SENSOR |
Always perform the PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE before proceeding. Refer to PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE .