P1148 AUDI – HO2S21 System Too Rich

P1148 AUDI Possible Symptoms

Engine Light ON (or Service Engine Soon Warning Light)

P1148 AUDI Possible Causes

Faulty HO2S21,Fualty Mass Air Flow (MAF) Sensor,HO2S21 harness is open or shorted,HO2S21 circuit poor electrical connection

P1148 AUDI Description

HO2S21 System Too Rich is the generic description for the P1148 Audi code, but the manufacturer may have a different description. Currently we have no further information abouth the P1148 Audi OBDII code.