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Possible Causes

Possible Causes
FUEL TANK SENSOR 5-VOLT SUPPLY CIRCUIT OPEN OR SHORTED TO GROUND
BLOCKAGE/FLASH AT THE PORTS ON THE CAC/INTAKE MANIFOLD OR THE AIR CLEANER
PURGE TUBE BETWEEN THE PURGE SOLENOID AND EJECTOR TEE OBSTRUCTED OR BROKEN
TUBE BETWEEN THE CAC/INTAKE MANIFOLD AND EJECTOR TEE OBSTRUCTED OR BROKEN
EJECTOR TEE MALFUNCTION
OBD VENT VALVE
FAULTY PURGE SOLENOID
FUEL TANK PRESSURE (FTP) SENSOR

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