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Home >> Alfa Romeo >> 2019 >> Giulia Base, AWD >> Repair and Diagnosis >> Engine Performance >> System >> 2.0L - DTCS P0261-00 To P046C-00 >> DTC Troubleshooting >> P040B-00-Exhaust Gas RECIRCULATION Temperature Sensor "A" Circuit Range/Performance >> Possible Causes

Possible Causes

Possible Causes
HIGH RESISTANCE IN THE EGR TEMPERATURE SENSOR SIGNAL CIRCUIT
HIGH RESISTANCE IN THE SENSOR GROUND CIRCUIT
EGR TEMPERATURE SENSOR
POWERTRAIN CONTROL MODULE

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

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