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Home >> Alfa Romeo >> 2019 >> Giulia Base, AWD >> Repair and Diagnosis >> Engine Performance >> System >> 2.0L - DTCS B1810-00 To P0111-00 >> DTC Troubleshooting >> P0101-00-Mass Or Volume Air Flow "A" Circuit Range/Performance >> Possible Causes

Possible Causes

Possible Causes
LEAK IN THE AIR INTAKE SYSTEM (AIR CLEANER TO THROTTLE BODY)
CONTAMINATED MAF SENSOR
MASS AIR FLOW SENSOR
POWERTRAIN CONTROL MODULE (PCM)

Always perform the Pre-Diagnostic Troubleshooting procedure before proceeding. Refer to  PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE  .