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This may be posted somewhere but I haven't found it yet, Anyway, 2016 3500 throwing P2626 code. Recall for fuel line rerouting has been done. On the 3rd transfer pump (replaced last one on 09/05/19). Problem is the truck is only throwing the code when the fuel level gets to 1/4. Doing this both before and after the last pump replacement. Don't know if this makes a difference but when filling up both tanks the front tank holds around 8 gallons and the rear tank will take every bit of 40 gallons. I fill them both as soon as it throws the code. I drive ~500 miles daily pulling 22,000# trailer and getting aggravating having to stop at 450 miles to fill tanks. Before code problem could go appx. 550miles. Thanks in advance for any help.
