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Home >> Alfa Romeo >> 2019 >> Giulia Base, AWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 9 (2.9L Pcm 1 - DTCS P0118-00 To P0350-00) >> Diagnosis And Testing >> P013A-00-O2 Sensor 1/2 Slow Response - Rich To Lean >> Possible Causes

Possible Causes

WARNING: This page is about a different variant/trim than selected.
Possible Causes
EXHAUST LEAK
O2 SENSOR 1/2 NOT TIGHTENED OR MOUNTED INCORRECTLY
O2 SENSOR 1/2 HARNESS CONNECTOR DAMAGED
O2 SENSOR 1/2

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

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