poor gas mileage
went on a trip to the bay area this weekend and on a full tank of gas got only 280 miles on it. is this normal? my 89 nissan maxima with a v6 would get 400 miles on a full tank of gas.have any of you guys had the same problem? by the way i have not had the pcm changed out and i heard you get better gas mileage when you do get it replaced, but is it a big difference? thanks in advance.
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