Quote Originally Posted by EHB View Post
i've also confimed my DIC is a liar. for about every 5 to 6 gallons of fuel it says i've used , it's off by half a gallon. for examples if i fill back up , and when i fill up i put it in till it's completely full in the filler neck, but if it says i've used 5.5 gallons and i fill it back up it will take 6 or slightly more. if it says i've used 12 gallons it will take 13+ gallons to fill it back up.

could it be it does not factor in idling fuel used ?
Ever have an evap code? I don't think its good practice to fill up so far.