P0722 INFINITI Vehicle Speed Sensor Circuit Fault

Possible causes – Faulty Revolution Sensor– Revolution Sensor harness is open or shorted– Revolution Sensor circuit poor electrical connection– Damaged EC– Damaged Transmission Control Module (TCM) Tech description On most Infiniti vehicles, the vehicle speed sensor is called Revolution Sensor When is the obd code mean? The output shaft speed sensor failed to provide a…

P1120 INFINITI Secondary Throttle Position Sensor

Possible causes – Faulty Secondary Throttle Position Sensor– Secondary Throttle Position Sensor harness is open or shorted– Secondary Throttle Position Sensor circuit poor electrical connection Symptoms – Engine Light ON (or Service Engine Soon Warning Light)

P0300 INFINITI Cylinder Misfire Detected Random Cylinders

Possible causes – Faulty spark plug (s) – Faulty ignition coil (s) – Clogged or faulty fuel injector (s)– Intake air leak– Fuel injectors harness is open or shorted– Fuel Injectors circuit poor electrical connection– Ignition coils harness is open or shorted– Ignition coils circuit poor electrical connection– Insufficient cylinders compression– Incorrect fuel pressure Tech…

P0301 INFINITI Number 1 Cylinder Misfire Detected

Possible causes – Faulty spark plug 1– Clogged or faulty fuel injector 1– Faulty ignition coil 1– Fuel injector 1 harness is open or shorted– Fuel injector 1 circuit poor electrical connection– Ignition coil 1 harness is open or shorted– Ignition coil 1 circuit poor electrical connection– Insufficient cylinder 1 compression– Incorrect fuel pressure– Intake…

P0160 INFINITI O2 Sensor Circuit No Activity Detected Bank 2 Sensor 2

Possible causes – Faulty Rear Heated Oxygen Sensor Bank 2– Rear Heated Oxygen Sensor Bank 2 harness is open or shorted– Rear Heated Oxygen Sensor Bank 2 circuit poor electrical connection– Inappropriate fuel pressure– Faulty fuel injectors– Intake air leaks may be faulty– Exhaust gas leaks Tech description Replacing the Rear Heated Oxygen Sensor Bank…

P0157 INFINITI HO2S22 Circuit Low Voltage

Possible causes – Faulty Rear Heated Oxygen Sensor Bank 2– Rear Heated Oxygen Sensor Bank 2 harness is open or shorted– Rear Heated Oxygen Sensor Bank 2 circuit poor electrical connection– Inappropriate fuel pressure– Faulty fuel injectors– Intake air leaks may be faulty– Exhaust gas leaks Tech description Replacing the Rear Heated Oxygen Sensor Bank…

P1119 INFINITI Radiator Coolant Temperature Sensor

Possible causes – Faulty Radiator Coolant Temperature Sensor– Radiator Coolant Temperature Sensor harness is open or shorted– Radiator Coolant Temperature Sensor circuit poor electrical connection When is the obd code mean? Malfunction is detected when an excessively high or low voltage from the radiator coolant temperature sensor is sent to Engine Control Module (ECM). Symptoms…

P0136 INFINITI O2 Sensor Circuit Malfunction Bank 1 Sensor 2

Possible causes – Faulty Rear Heated Oxygen Sensor Bank 1– Rear Heated Oxygen Sensor Bank 1 harness is open or shorted– Rear Heated Oxygen Sensor Bank 1 circuit poor electrical connection– Inappropriate fuel pressure– Faulty fuel injectors– Intake air leaks may be faulty– Exhaust gas leaks Tech description Replacing the Rear Heated Oxygen Sensor Bank…

P0137 INFINITI Heated Oxygen Sensor Circuit Low Voltage Bank 1 Sensor 2

Possible causes – Faulty Rear Heated Oxygen Sensor Bank 1– Rear Heated Oxygen Sensor Bank 1 harness is open or shorted– Rear Heated Oxygen Sensor Bank 1 circuit poor electrical connection– Inappropriate fuel pressure– Faulty fuel injectors– Intake air leaks may be faulty– Exhaust gas leaks Tech description Replacing the Rear Heated Oxygen Sensor Bank…

P0139 INFINITI HO2S12 Slow Response

Possible causes – Faulty Rear Heated Oxygen Sensor Bank 1– Rear Heated Oxygen Sensor Bank 1 harness is open or shorted– Rear Heated Oxygen Sensor Bank 1 circuit poor electrical connection– Inappropriate fuel pressure– Faulty fuel injectors– Intake air leaks may be faulty– Exhaust gas leaks Tech description Replacing the Rear Heated Oxygen Sensor Bank…