P1127 OBD Trouble Code
7 results found
| Type | Powertrain - Manufacturer Controlled DTC - Manufacturer Controlled |
|---|---|
| Description | Long term fuel trim, entire speed/load range, Bank 1 - system too rich |
| Cause | Excessive fuel in engine oil, fuel pressure, EVAP canister purge valve, injector(s) |
| Type | Powertrain - Manufacturer Controlled DTC - Manufacturer Controlled |
|---|---|
| Description | Exhaust Not Warm Enough, Rear HO2S Not Tested Conditions |
| Cause | Engine running, then the PCM detected that the exhaust temperature was below a minimum calibrated value |
| Type | Powertrain - Manufacturer Controlled DTC - Manufacturer Controlled |
|---|---|
| Description | Long term fuel trim - multiplicative - system too rich |
| Cause | HO2S, fuel pressure, fuel system, mechanical fault, ECM |
| Type | Powertrain - Manufacturer Controlled DTC - Manufacturer Controlled |
|---|---|
| Description | Throttle actuator control (TAC) power source - circuit malfunction |
| Cause | Wiring, ECM |
| Type | Powertrain - Manufacturer Controlled DTC - Manufacturer Controlled |
|---|---|
| Description | Heated oxygen sensor (HO2S) heater circuit malfunction |
| Location | RH or rear bank - front (6 cyl) |
| Cause | Wiring, HO2S |
| Type | Powertrain - Manufacturer Controlled DTC - Manufacturer Controlled |
|---|---|
| Description | Throttle actuator control (TAC) power source - circuit malfunction |
| Cause | Wiring, ECM |
| Type | Powertrain - Manufacturer Controlled DTC - Manufacturer Controlled |
|---|---|
| Description | Long term fuel trim, system too rich |
| Location | Bank 1 |
| Cause | Fuel pressure, EVAP canister purge valve, injector(s) |
Try also: https://www.obd-codes.com/p1127
