Possible causes – Faulty Electronic Throttle Control System (ETCS) Actuator– Electronic Throttle Control System (ETCS) Actuator harness is open or shorted– Electronic Throttle Control System (ETCS) Actuator circuit poor electrical connection Symptoms – Engine Light ON (or Service Engine Soon
Possible causes – Faulty Electronic Throttle Control System (ETCS) Actuator– Electronic Throttle Control System (ETCS) Actuator harness is open or shorted– Electronic Throttle Control System (ETCS) Actuator circuit poor electrical connection Symptoms – Engine Light ON (or Service Engine Soon
Possible causes – Faulty HO2S– Faulty Mass Air Flow Sensor– High fuel pressure– Canister purge solenoid stuck open– HO2S harness is open or shorted– HO2S circuit poor electrical connection Symptoms – Engine Light ON (or Service Engine Soon Warning Light)
Possible causes – Faulty HO2S– Faulty Mass Air Flow Sensor– High fuel pressure– Canister purge solenoid stuck open– HO2S harness is open or shorted– HO2S circuit poor electrical connection Symptoms – Engine Light ON (or Service Engine Soon Warning Light)
Possible causes – Faulty HO2S– HO2S harness is open or shorted– HO2S circuit poor electrical connection– Leaking pressure regulator or fuel injector– Engine mechanical condition Symptoms – Engine Light ON (or Service Engine Soon Warning Light)
Possible causes – Faulty O2 Sensor Heaters– O2 Sensor Heaters harness is open or shorted– O2 Sensor Heaters circuit poor electrical connection Symptoms – Engine Light ON (or Service Engine Soon Warning Light) P1127 FORD Description The heated oxygen sensor
Symptoms – Engine Light ON (or Service Engine Soon Warning Light) P1127 Description Exhaust Not Warm Enough, Downstream Sensor Not Tested is one of the definitions for the P1127; however your vehicle’s manufacturer may have a different definition for the