Possible Causes
WARNING: This page is about a different car, the 2014 RAM 1500. However, it is still accessible from the selected car via links, so may be relevant.
| Possible Causes |
|---|
| FUEL TANK PRESSURE (FTP) SENSOR 5-VOLT SUPPLY OPEN CIRCUIT OR EXCESSIVE RESISTANCE |
| EVAP PURGE SOLENOID VACUUM SUPPLY |
| EVAP PURGE HOSE/TUBE OBSTRUCTION |
| FUEL TANK PRESSURE SENSOR |
| EVAP PURGE SOLENOID |
| EVAPORATIVE SYSTEM INTEGRITY MONITOR SWITCH (ESIM) |
| POWERTRAIN CONTROL MODULE (PCM) |
Always perform the Pre-Diagnostic Troubleshooting procedure before proceeding. Refer to STANDARD PROCEDURE . .