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Home >> Jeep >> 2023 >> Grand Cherokee Altitude, AWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 44 (2.0L - DTCS P0401 To P04C1) >> DTC Troubleshooting >> P0441 EVAP Purge System Performance >> Possible Causes

Possible Causes

WARNING: This page is about a different variant/trim than selected.
Possible Causes
FUEL TANK PRESSURE (FTP) SENSOR 5-VOLT SUPPLY OPEN/HIGH RESISTANCE
PURGE SOLENOID VACUUM LINE (C) LEAKING OR BROKEN
PURGE SOLENOID VACUUM LINE(C) OR PORT RESTRICTED/OBSTRUCTED
PINCHED/OBSTRUCTED LINE (A) BETWEEN THE PURGE SOLENOID AND CANISTER
PINCHED/OBSTRUCTED LINE BETWEEN THE CANISTER AND FUEL TANK
FUEL IN THE CHARCOAL CANISTER OR TUBES DUE TO FUEL DELIVERY FLANGE TUBE DISCONNECTED INSIDE FUEL TANK
FAULTY PURGE SOLENOID
FUEL TANK PRESSURE (FTP) SENSOR

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