P1166 OBD Trouble Code
1 result found
| Type | Powertrain - Manufacturer Controlled DTC - Manufacturer Controlled |
|---|---|
| Description | Long term fuel trim 2, Bank 1 - above rich limit |
| Cause | Fuel pressure/pump, injectors, EVAP canister purge valve, EGR system, HO2S, intake/exhaust system |
Try also: https://www.obd-codes.com/p1166
