Faulty O2 Sensor
Faulty Failed MAF Sensor
Vacuum leak on engine
Lean Air/Fuel ratio
Engine Light ON (or Service Engine Soon Warning Light)
Rear O2S Correction Limit Obtained is the generic description for the P1176 Audi code, but the manufacturer may have a different description for your model and year vehicle. Currently, we have no further information
about the P1176 Audi OBDII code.