Tag: INFINITI

Possible causes – Faulty air fuel ratio (A/F) sensor 1 heater Bank 2 – Air fuel ratio (A/F) harness is open or shorted– Air fuel ratio (A/F) circuit poor electrical connection When is the obd code mean? The A/F signal computed by ECM from the A/F sensor 1 signal is constantly approx. 0V. Symptoms –…

Possible causes – Faulty air fuel ratio (A/F) sensor 1 heater Bank 2 – Air fuel ratio (A/F) harness is open or shorted– Air fuel ratio (A/F) circuit poor electrical connection When is the obd code mean? The A/F signal computed by ECM from the A/F sensor 1 signal is constantly approx. 0V. Symptoms –…

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 or shorted– Air fuel ratio (A/F) sensor bank 1 sensor 1 circuit poor electrical connection– Inappropriate fuel pressure– Faulty fuel injectors– Intake air leaks may be faulty– Exhaust gas leaks…

Possible causes – Faulty Air fuel ratio (A/F) sensor bank 2 sensor 1– Air fuel ratio (A/F) sensor bank 2 sensor 1 harness is open or shorted– Air fuel ratio (A/F) sensor bank 2 sensor 1 circuit poor electrical connection– Inappropriate fuel pressure– Faulty fuel injectors– Intake air leaks may be faulty– Exhaust gas leaks…

Possible causes – Faulty Air Fuel Ratio Sensor 1 Bank 1– Air Fuel Ratio Sensor 1 harness is open or shorted– Air Fuel Ratio Sensor 1 circuit poor electrical connection Tech description There is a factory service bulletin for the following Infiniti models: 2004-2005 Infiniti FX352004-2005 Infiniti FX452004-2005 Infiniti G35 Sedan2004-2005 Infiniti G35 SedanInfiniti Factory…

Possible causes – Faulty Air fuel ratio (A/F) sensor 1 Bank 2 – Faulty Air fuel ratio (A/F) sensor 1 heater Bank 2 – Fuel pressure– Faulty Fuel injector – Intake air leaks– Faulty Air Flow Meter Tech description If one or more sensors are replaced the Engine Control Module (ECM) Mixture Ratio Self-Learning clearing…

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…

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 –…

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…

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…