96grandprix Posted August 18, 2013 Report Share Posted August 18, 2013 I have a 96 Grand Prix SE with the 3100. It has trouble code PO441 evap system incorrect purge. I have replaced the purge solenoid which i think was bad with a used one. With my old purge solenoid it had a different code- i believe flow during non purge. That code is now gone and i have the 441.I can activate the purge valve on my scan tool and can hear it clicking on and off. I have a California emissions car, it has an evap pressure sensor mounted next to the purge solenoid. The canister line goes thru this to the purge valve. I think this sensor is bad causing the 441 code. I cant find this part listed anywhere. I went thru at least 4 or 5 3100's at the junkyard and they all had the same purge solenoid as mine, but no pressure sensor, as they all were 49 state vehicles. Anybody know where i can get this pressure sensor? Quote Link to comment Share on other sites More sharing options...
mfewtrail Posted August 19, 2013 Report Share Posted August 19, 2013 Here's the troubleshooting flow chart for that code. Not sure if they uploaded/posted in the right order, but it should be easy for you to discern the proper order... Quote Link to comment Share on other sites More sharing options...
Schurkey Posted August 19, 2013 Report Share Posted August 19, 2013 Anybody know where i can get this pressure sensor? Have you tried a GM dealership, and/or the local NAPA, Carquest, or O'Reileys? Quote Link to comment Share on other sites More sharing options...
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