Originally Posted by Angelus911
My MPG have been pretty terrible the past couple of weeks, not sure if its due to the TSB or what I got applied last week. I think I'm averaging 26-27 mpg. What's also weird now too is that my "full tank" is only around 390-400 miles to empty, whereas it used to be 440-450. Same station, same pump as well.
colder weather and the range to empty is based upon last mpg prior to fillup