P0141 OBD Trouble Code
5 results found
| Type | Powertrain - Fuel and Air Metering - ISO/SAE Controlled |
|---|---|
| Description | O2 Sensor Heater Circuit |
| Location | Bank 1 Sensor 2 |
| Type | Powertrain - Fuel and Air Metering - ISO/SAE Controlled |
|---|---|
| Description | HO2S Heater Circuit Conditions |
| Location | Bank 1 Sensor 2 |
| Cause | Cold engine startup requirement met (ECT sensor input less than 147°F, BTS ambient air input within 27-50°F of the ECT input), engine at idle speed, then the test started and the PCM detected that the rear HO2S-12 signal was more than 0.3v for 30-90 seconds. |
| Type | Powertrain - Fuel and Air Metering - ISO/SAE Controlled |
|---|---|
| Description | HO2S Heater Circuit Conditions |
| Location | Bank 1 Sensor 2 |
| Cause | Engine running for 1 minute, then the PCM detected an open or short in the HO2S heater circuit |
| Type | Powertrain - Fuel and Air Metering - ISO/SAE Controlled |
|---|---|
| Description | HO2S Heater Circuit Conditions |
| Location | Bank 1 Sensor 2 |
| Cause | No HO2S-12 codes set, engine running, system voltage 11-15.5v, TWC temperature from 626-968°F, then the PCM determined that the HO2S-12 heater resistance was out-of-range for 15 seconds |
| Type | Powertrain - Fuel and Air Metering - ISO/SAE Controlled |
|---|---|
| Description | Secondary air injection (AIR) pump - malfunction |
| Cause | Wiring, AIR pump relay, AIR pump, ECM |
Try also: https://www.obd-codes.com/p0141
