Welcome to the DurangoZ from NC! I had similar issues with a Dakota, ended up being the gas cap would not seal properly. Also if you are leaving the vehicle running when adding gas may cause some of these codes.
0440 and 0441 codes, help!
I have a 2003 durango with a 4.7 engine. We have been getting these codes fairly often and I have been reading them and erasing them. I have read different things to check like the purge solinoid and poss. cracked hoses to and from the canister. Does anyone have any other info on this problem?
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I had this problem for a long time too...replaced nearly everything to no avail. Finally fixed it with a new leak detection pump.
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