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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 >> P0459-00-Evaporative Emission System Purge Control Valve Circuit High >> Possible Causes

Possible Causes

Possible Causes
PURGE SOLENOID CONTROL CIRCUIT SHORTED TO VOLTAGE
PURGE SOLENOID CONTROL CIRCUIT OPEN/HIGH RESISTANCE
PURGE SOLENOID GROUND CIRCUIT OPEN/HIGH RESISTANCE
PURGE SOLENOID
POWERTRAIN CONTROL MODULE (PCM)

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