FixVault
Home
›
Alfa Romeo
›
2020
›
Giulia Base, AWD
›
Repair and Diagnosis
›
Engine Performance
›
System
›
2.0L - DTCS P2173-00 To P2AC0-00
›
DTC Troubleshooting
›
P2271-00-O2 Sensor Signal Biased/Stuck Rich Bank 1 Sensor 2
›
Set Condition
Set Condition
If the PCM detects that the O2 Sensor 1/2 is stuck in a rich state for two minutes.