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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 >> P219D-00-Cylinder 2 Air-Fuel Ratio Imbalance >> Possible Causes

Possible Causes

Possible Causes
INTAKE MANIFOLD LEAK AT CYLINDER 2
FUEL INJECTOR ISSUES AT CYLINDER 2
IGNITION SYSTEM ISSUES AT CYLINDER 2
CYLINDER COMPRESSION IMBALANCE
CARBON BUILD UP
VARIABLE VALVE ACTUATOR SYSTEM ISSUES
VALVE TRAIN ISSUES
O2 SENSOR

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