Possible causes – Faulty Heated Oxygen Sensor (H2OS) Bank 1 Sensor 1– Heated Oxygen Sensor (H2OS) Bank 1 Sensor 1 harness is open shorted to ground– Heated Oxygen Sensor (H2OS) Bank 1 Sensor 1 circuit poor electrical connection– Heated Oxygen Sensor (H2OS) Bank 1 Sensor 1 circuit fuse– Faulty Engine Control Module (ECM) Tech description…
Tag: P0031 NISSAN
P0031 NISSAN Air Fuel Ratio Sensor 1 Heater Bank 1 Control Circuit Low
Possible causes – Faulty Air-Fuel Ratio (A/F) Sensor Bank 1 Sensor 1– Air-Fuel Ratio (A/F) Sensor Bank 1 Sensor 1 harness is open shorted to ground– Air-Fuel Ratio (A/F) Sensor Bank 1 Sensor 1 circuit poor electrical connection– Air-Fuel Ratio (A/F) Sensor Bank 1 Sensor 1 circuit fuse– Faulty Engine Control Module (ECM) Tech description…