P1491 OBD Trouble Code
1 result found
| Type | Powertrain - Manufacturer Controlled DTC - Manufacturer Controlled |
|---|---|
| Description | Exhaust gas recirculation (EGR) system - valve lift insufficient |
| Cause | Wiring, EGR valve/position sensor, ECM |
Try also: https://www.obd-codes.com/p1491
