How do you fix P0139?
What repairs can fix the P0139 code?
- The O2 sensor for bank 1 sensor 2 should be replaced only after all other checks of the fuel and exhaust systems test okay.
- Testing the fuel system and replacing a leaking injector.
- Replacing the catalyst in front of the sensor.
What is a P0139 code?
Diagnostic trouble code (DTC) P0139 stands for “O2 Sensor Circuit Slow Response (Bank 1, sensor 2).” It indicates that the powertrain control module (PCM) has detected a potential issue with the signal from the rear oxygen sensor on bank 1.
What does the p0139 code on the O2 sensor mean?
Although the signal from the front sensor (sensor 1) changes far more rapidly than that of the rear (sensor 2), both change over time. When the rear oxygen sensor mounted on engine bank 1 doesn’t transition between voltage states fast enough, the engine computer logs a P0139 code. What Does the P0139 Code Mean?
When is the p0138 Nissan code detected?
Most auto repairs shops charge between $75 and $150 per hour. When is the P0138 NISSAN code detected? The P0138 code is set when the Engine Control Module (ECM) detects that the rear O2 sensor signal voltage remains excessively high for an extended period of time.
What is the diagnostic code for a Nissan check engine light?
Follow scan tool manufacturer’s operating instructions to access the Diagnostic Trouble Codes (DTC’s). Remember, these are manufacturer specific codes only. Refer to our Generic OBD II code listfor definitions on all other Nissan diagnostic trouble codes. Manufacturer Specific Codes P1105MAP/BARO Pressure Switch Solenoid Valve
What does the p0138 code mean on a Chrysler?
The P0138 code is set when the Engine Control Module (ECM) detects that the rear O2 sensor signal voltage remains excessively high for an extended period of time. The Heated Oxygen Sensor 2 (HO2S) (Rear O2 Sensor), after three way catalyst (manifold), monitors the oxygen level in the exhaust gas on each bank.