Indice dei codici guasto · low
P0135
Defective Oxygen Sensor/Air Fuel Ratio Sensor
Defective Oxygen Sensor/Air Fuel Ratio Sensor
Common causes
- Defective O2 Sensor/Air Fuel Ratio Sensor Heater Circuit
Quick checks
- Confirm freeze-frame and conditions when the code set
- Inspect connectors, grounds, and harness for the circuit named in the code
- Compare live sensor values vs expected (unplugged/biased sensors are common)
Typical fixes
- Replace O2 Sensor Bank 1 Sensor 1
- Replace O2 Sensor (Bank 1 Sensor 1)