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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 >> P0103-00-Mass Or Volume Air Flow "A" Circuit High >> Possible Causes >> Notes

Possible Causes: Notes

Possible Causes
MAF SIGNAL CIRCUIT SHORTED TO VOLTAGE
MAF SIGNAL CIRCUIT OPEN/HIGH RESISTANCE
SENSOR GROUND CIRCUIT OPEN/HIGH RESISTANCE
MASS AIR FLOW SENSOR
POWERTRAIN CONTROL MODULE (PCM)

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

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