My check engine light came on and I pulled a P0441 code. After doing some research, I replaced the NLVD (natural vac leak detection assembly). Everything fit together well enough on the swap. However, I'm throwing out this code again. Anyone have other suggestions as what could be wrong? This is for an '01 Voyager with a 3.3L and everything seems to be running fine. I've already researched this site, but didn't find an answer.
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 Solutions: With 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
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