2CarPros - Car Questions & Answers

2004 Jeep Liberty Repair Question


Topics covered: Corrosion, Trouble code.
Mileage: 83,159 miles.

Asked on November 19, 2010

Check engine light

My 2004 Jeep Liberty has a PO441 code
Avatar Asked by Ellis41

Answer

Replied on November 19, 2010

A code P0441 could mean one or more of the following has happened:

Bad vacuum switch
Broken or damaged EVAP line or canister
Open in PCM purge command circuit
Open or short in Voltage feed circuit to Purge Solenoid
Faulty purge solenoid
Restriction in EVAP solenoid, line or canister
Corrosion or resistance in purge connector
Bad PCM
Possible SolutionsWith a P0441 OBD-II trouble code, diagnosis can be tricky at times. Here are some things to try:

Common Chrysler fix - Replace Leak Detection Pump / LDP
Repair damaged EVAP lines or canister
Repair open or short in voltage feed circuit to Purge Solenoid
Repair open in PCM purge command circuit
Replace purge Solenoid
Replace vacuum switch
Repair restriction in Evap line or canister or soleniod
Repair resistance in purge connector
Replace PCM

Tiny Answered by rasmataz
68 questions asked