I bought this to fix a P0441/P0440 issue on my 2003 Dakota with a 4.7 V8 engine. The P0441/P0440 codes are gone, but now I have a P0452 code that many others have encountered after installing this part. I checked the system for leaks and don't think there are any as the fuel tank is pressurized and makes a loud airflow noise when the gas cap is removed. I have informed them of the defective part and am hoping to get a working one.
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