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Home >> Alfa Romeo >> 2019 >> Giulia Base, AWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 19 (2.9L Pcm 2 - DTCS P2240-00 To U143B-00) >> DTC Troubleshooting >> P2420-00-Fuel Tank Isolation Valve Circuit High >> Possible Causes

Possible Causes

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Possible Causes
FTIV CONTROL CIRCUIT SHORTED TO ANOTHER VOLTAGE SUPPLY
FUEL TANK ISOLATION VALVE (FTIV) - TOO LITTLE INTERNAL RESISTANCE
POWERTRAIN CONTROL MODULE (PCM)

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