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Home >> Alfa Romeo >> 2019 >> Giulia Base, AWD >> Repair and Diagnosis >> Engine Performance >> Testing & Diagnosis >> 2.0L - DTCS P0261-00 To P046C-00 >> DTC Troubleshooting >> P0401-00-Exhaust Gas RECIRCULATION "A" Flow Insufficient Detected >> Possible Causes

Possible Causes

Possible Causes
EGR VALVE PASSAGE BLOCKED/RESTRICTED
EGR SYSTEM LEAK
EGR VALVE ASSEMBLY

Always perform the Pre-Diagnostic TROUBLESHOOTING PROCEDURE BEFORE PROCEEDING. Refer to  PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE  . 

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