Possible causes – Faulty HO2S12 Sensor– Exhaust leak near HO2S12 Sensor– HO2S12 Sensor harness is open or shorted– HO2S12 Sensor circuit poor electrical connection Symptoms – Engine Light ON (or Service Engine Soon Warning Light)
Tag: AUDI
P1104 AUDI HO2S12 Sensor Circuit Voltage Too Low Air Leak
Possible causes – Faulty HO2S12 Sensor– Exhaust leak near HO2S12 Sensor– HO2S12 Sensor harness is open or shorted– HO2S12 Sensor circuit poor electrical connection Symptoms – Engine Light ON (or Service Engine Soon Warning Light)
P1123 AUDI 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) AUDI Related P1123 code 1998 AUDI A4 Fuel System, Other 1998 AUDI A6 Fuel System,…
P1125 AUDI 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) AUDI Related P1125 code 1998 AUDI A4 Fuel System, Other 1998 AUDI A6 Fuel System,…
P1124 AUDI 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)
P1126 AUDI 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)
P1127 AUDI Long Term Fuel Trim B1 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)
P1101 AUDI HO2S11 Sensor Circuit Voltage Too Low Air Leak
Possible causes – Faulty HO2S11 Sensor– Exhaust leak near HO2S11 Sensor– HO2S11 Sensor harness is open or shorted– HO2S11 Sensor circuit poor electrical connection Symptoms – Engine Light ON (or Service Engine Soon Warning Light)
P1116 AUDI HO2S Sensor Heater Circuit Open 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)
P1114 AUDI HO2S Sensor Heater Resistance Too High Bank 1 Sensor 2
Possible causes – Faulty HO2 Sensor Bank 1 Sensor 2– HO2 Sensor Bank 1 Sensor 2 harness is open or shorted– HO2 Sensor Bank 1 Sensor 2 circuit poor electrical connection Symptoms – Engine Light ON (or Service Engine Soon Warning Light)