fuel mpg

Reply Subscribe

Thread Tools

Search this Thread

Jan 19, 2009 | 05:57 PM

one8thursize1988

Thread Starter

New User

Joined: Jan 2009

Posts: 11

Likes: 0

From: Rahway nj

fuel mpg

I bought a 01 f250 superduty with a 5.4lt V8. it has king ranch tires, dual exhaust, k/n intake and a programer in the comp., but i am still getting 9 mpg. what could be my problem???

Jan 19, 2009 | 06:10 PM

senix

Super Moderator

Joined: Aug 2008

Posts: 37,384

Likes: 1,868

From: Frederick, MD

try taking the truck to stock and see if that helps. Keep in mind you have a big truck built for work not mpg's. You might get it weighed to see just how heavy it is.

Jan 19, 2009 | 06:11 PM

Mustang6147

Posting Guru

Joined: Mar 2007

Posts: 1,191

Likes: 1

What program is loaded?? I get 13.86 in the summer and 12.5 in the winter. I also have the 3 valve 5.4.

I thought mine wasnt good but found out otherwise.

I think mine is capeable of more