P0131 INFINITI Air Fuel Ratio Circuit Low Bank 1 Sensor 1

Possible causes – Faulty Air fuel ratio (A/F) sensor 1 bank 1– Air fuel ratio (A/F) sensor 1 bank 1 harness is open or shorted– Air fuel ratio (A/F) sensor 1 bank 1 circuit poor electrical connection– Inappropriate fuel pressure– Faulty fuel injectors– Intake air leaks may be faulty– Exhaust gas leaks Tech description Replacing…

P0132 INFINITI Air Fuel Ratio Circuit High Bank 1 Sensor 1

Possible causes – Faulty Air fuel ratio (A/F) sensor 1 bank 1– Air fuel ratio (A/F) sensor 1 bank 1 harness is open or shorted– Air fuel ratio (A/F) sensor 1 bank 1 circuit poor electrical connection– Inappropriate fuel pressure– Faulty fuel injectors– Intake air leaks may be faulty– Exhaust gas leaks Tech description Replacing…

P0133 INFINITI Air Fuel Ratio Circuit Slow Response Bank 1 Sensor 1

Possible causes – Faulty Air fuel ratio (A/F) sensor 1 bank 1– Air fuel ratio (A/F) sensor 1 bank 1 harness is open or shorted– Air fuel ratio (A/F) sensor 1 bank 1 circuit poor electrical connection– Inappropriate fuel pressure– Faulty fuel injectors– Intake air leaks may be faulty– Exhaust gas leaks Tech description Replacing…

P1444 INFINITI EVAP Canister Purge Volume Control Solenoid Valve

Possible causes – EVAP control system pressure sensor– EVAP canister purge volume control solenoid valve (The valve is stuck open.)– EVAP canister vent control valve– EVAP canister– Hoses (Hoses are connected incorrectly or clogged.) When is the obd code mean? The canister purge flow is detected during the specified driving conditions, even when EVAP canister…

P0453 INFINITI EVAP Control System Pressure Sensor High Input

Possible causes – Evaporative Emission System (EVAP) Pressure sensor harness is open or shorted – Evaporative Emission System (EVAP) Pressure sensor circuit poor electrical connection – Faulty Evaporative Emission System (EVAP) Pressure sensor When is the obd code mean? An excessively high voltage from the sensor is sent to Engine Control Module (ECM). Symptoms –…

P0400 INFINITI Exhaust Gas Recirculation Function- No/Low Flow Detected

Possible causes – Exhaust Gas Recirculation (EGR) volume control valve stuck closed– Faulty Exhaust Gas Recirculation (EGR) volume control solenoid valve– Faulty EGR Valve– Faulty EGR temperature sensor and circuit– Exhaust Gas Recirculation (EGR) solenoid valve harness is open or shorted– Exhaust Gas Recirculation (EGR) solenoid valve circuit poor electrical connection– Dead (Weak) battery Tech…

P2122 INFINITI Accelerator Pedal Position Sensor Circuit Range/Performance

Possible causes – Faulty Accelerator Pedal Position Sensor– Accelerator Pedal Position Sensor harness is open or shorted– Accelerator Pedal Position Sensor circuit poor electrical connection Symptoms – Engine Light ON (or Service Engine Soon Warning Light)– No Accelerator Pedal respsonse P2122 INFINITI OBD Code Description The Accelerator Pedal Position (APP) sensor is installed on the…

P2123 INFINITI Accelerator Pedal Position Sensor Circuit Range/Performance

Possible causes – Faulty Accelerator Pedal Position Sensor– Accelerator Pedal Position Sensor harness is open or shorted– Accelerator Pedal Position Sensor circuit poor electrical connection Symptoms – Engine Light ON (or Service Engine Soon Warning Light)– No Accelerator Pedal respsonse P2123 INFINITI OBD Code Description The Accelerator Pedal Position (APP) sensor is installed on the…

P1065 INFINITI ECM Power Supply Circuit

Possible causes – ECM Harness power supply circuit is open or shorted– ECM Harness ground supply circuit is open or shorted– ECM may be faulty When is the obd code mean? ECM back-up RAM system does not function properly. Symptoms Engine Light ON (or Service Engine Soon Warning Light) P1065 INFINITI OBD Code Description Battery…

P1401 INFINITI EGR Temperature Sensor

Possible causes – EGR Temperature Sensor harness is open or shorted– EGR Temperature Sensor circuit poor electrical connection– Faulty EGR Temperature Sensor– Malfunction of EGR function, EGRC-BPT valve or EGRC-solenoid valve– Blocked EGR passages When is the obd code mean? An excessively low voltage from the Exhaust Gas Recirculation (EGR) temperature sensor is sent to…