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Home >> Alfa Romeo >> 2019 >> Giulia Base, AWD >> Repair and Diagnosis >> Engine Performance >> Testing & Diagnosis >> 2.0L - DTCS P0112-00 To P024B-00 >> DTC Troubleshooting >> P0234-00-Turbocharger/Supercharger "A" OVERBOOST Condition >> Possible Causes

Possible Causes

Possible Causes
BOOST PRESSURE SENSOR, WIRING, OR RELATED CONNECTORS
WASTEGATE SOLENOID PRESSURE HOSES/TUBES
WASTEGATE SOLENOID, WIRING, VACUUM, OR RELATED COMPONENTS
TURBOCHARGER (WASTEGATE VALVE STUCK CLOSED)

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