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 notes If
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 notes If
Possible causes Air fuel ratio (A/F) sensor 1 Air fuel ratio (A/F) sensor 1 heater Fuel pressure Fuel injector Intake air leaks When is the code detected? The output voltage computed by ECM from the A/F sensor 1 (Bank 2)
P1283 GMC – Accelerator Pedal Position Sensor 2 Circuit High Voltage
P1283 BUICK – Accelerator Pedal Position Sensor 2 Circuit High Voltage
P1283 CADILLAC – Accelerator Pedal Position Sensor 2 Circuit High Voltage
P1283 CHEVROLET – Accelerator Pedal Position Sensor 2 Circuit High Voltage
P1283 DODGE – Accelerator Pedal Pos Sens1 Hi Voltage
P1283 FORD – IPR Circuit Failure