Possible Causes
WARNING: This page is about a different car, the 2014 Fiat 500c and 2014 Fiat 500. However, it is still accessible from the selected car via links, so may be relevant.
| Possible Causes |
|---|
| O2 SENSOR 1/1 WIRING OPEN OR SHORTED |
| RESTRICTED FUEL SUPPLY LINE |
| FUEL PUMP INLET STRAINER PLUGGED |
| FUEL FILTER/PRESSURE REGULATOR |
| FUEL PUMP MODULE |
| MAP SENSOR OPERATION |
| ECT SENSOR OPERATION |
| O2 SENSOR |
| FUEL FILTER/PRESSURE REGULATOR |
| POWERTRAIN CONTROL MODULE (PCM) |
Always perform the Pre-Diagnostic Troubleshooting procedure before proceeding. Refer to PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE .