P1120 – Heated oxygen sensor (HO2S) 1, Bank 2 – heater open circuit (Audi)

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Last Updated 2018-02-16
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Trouble CodeFault LocationProbable Cause
P1120 Heated oxygen sensor (HO2S) 1, Bank 2 - heater open circuit Wiring open circuit, HO2S

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BAT Team Discussions for P1120

  • 98 subaru forester 2.5
    98 subaru forester 2.5 this car will not start when it is cold have lots of trouble it run fine after it gets warm the codes i am getting are p1100, p1101, p1120, p1121, is this the air control valve or the map sensor im getting codes for both does anyone know what could be the problem ...