LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Alfa Romeo >> 2017 >> Giulia Base, AWD >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> 2.0L - DTCS P2AE2-00 To U148C-00 >> DTC Troubleshooting >> P2AE6-00-Intake Air O2 Sensor Negative Current Control Circuit Open Bank 1 >> Possible Causes
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Possible Causes

Possible Causes
INTAKE O2 SENSOR SIGNAL CIRCUIT OPEN/HIGH RESISTANCE
INTAKE O2 SENSOR
POWERTRAIN CONTROL MODULE (PCM)

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