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Home >> Alfa Romeo >> 2019 >> Giulia Base, AWD >> Repair and Diagnosis >> Engine Performance >> Testing & Diagnosis >> 2.0L - DTCS P1E3A-00 To P2227-00 >> Diagnosis And Testing >> P2196-00-O2 Sensor Signal Biased/Stuck Rich - Bank 1 Sensor 1 >> Possible Causes

Possible Causes

Possible Causes
EXHAUST LEAK
O2 SENSOR 1/1 WIRING HARNESS CONNECTOR DAMAGE
OXYGEN SENSOR 1/1

Always perform the PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE before proceeding. Refer to  PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE  .