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 signal
Possible causes – 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– Fuel
Possible causes – 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– Fuel
P2A03 ACURA – Front Air/Fuel Ratio Sensor Bank 1, Sensor 1 Circuit Range/Performance Problem
P2A03 DODGE – Gear Shift Direction Circ Low
P2A03 HONDA – Front A/F Sensor Circuit Bank 2, Sensor 1 Circuit Range/Performance Problem