Possible causes – Faulty HO2 Sensor Bank 1– HO2 Sensor Bank 1 harness is open or shorted– HO2 Sensor Bank 1 circuit poor electrical connection Symptoms – Engine Light ON (or Service Engine Soon Warning Light)
Tag: VOLKSWAGEN
P1119 VOLKSWAGEN HO2S Sensor Heater Circuit Short To Ground Bank 2 Sensor 1
Possible causes – Faulty HO2 Sensor Bank 2 Sensor 1– HO2 Sensor Bank 2 Sensor 1 harness is open or shorted– HO2 Sensor Bank 2 Sensor 1 circuit poor electrical connection Symptoms – Engine Light ON (or Service Engine Soon Warning Light)
P1120 VOLKSWAGEN HO2S Sensor Heater Circuit Open Bank 2 Sensor 1
Possible causes – Faulty HO2 Sensor Bank 2 Sensor 1– HO2 Sensor Bank 2 Sensor 1 harness is open or shorted– HO2 Sensor Bank 2 Sensor 1 circuit poor electrical connection Symptoms – Engine Light ON (or Service Engine Soon Warning Light)
P1121 VOLKSWAGEN HO2S Sensor Heater Circuit Short To Ground Bank 2 Sensor 2
Possible causes – Faulty HO2 Sensor Bank 2 Sensor 2– HO2 Sensor Bank 2 Sensor 2 harness is open or shorted– HO2 Sensor Bank 2 Sensor 2 circuit poor electrical connection Symptoms – Engine Light ON (or Service Engine Soon Warning Light)
P1110 VOLKSWAGEN HO2S Heating Circuit Bank 2 Sensor 2 Short To Positive
Possible causes – Faulty HO2S Heating Circuit Bank 2 Sensor 2– HO2S Heating Circuit Bank 2 Sensor 2 harness is open or shorted– HO2S Heating Circuit Bank 2 Sensor 2 circuit poor electrical connection Symptoms – Engine Light ON (or Service Engine Soon Warning Light)
P1123 VOLKSWAGEN Long Term Fuel Trim Adjustment Bank 1 System Too Rich
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)
P1124 VOLKSWAGEN Long Term Fuel Trim Adjustment Bank 1 System Too Lean
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)
P1125 VOLKSWAGEN Long Term Fuel Trim Adjustment Bank 2 System Too Rich
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)
P1126 VOLKSWAGEN Long Term Fuel Trim Adjustment Bank 2 System Too Lean
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)
P1113 VOLKSWAGEN HO2S Sensor Heater Resistance Too High Bank 1 Sensor 1
Possible causes – Faulty HO2 Sensor Bank 1 Sensor 1– HO2 Sensor Bank 1 Sensor 1 harness is open or shorted– HO2 Sensor Bank 1 Sensor 1 circuit poor electrical connection Symptoms – Engine Light ON (or Service Engine Soon Warning Light)