mpg help...
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Junior User
Joined: Apr 2006
Posts: 81
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mpg help...
when i bought my 2001 ex it was showing 17 mpg on the overhead. since then i have changed the airfilter and last night changed the fuel filter. it is now running at 14.8mpg. i know its not always highway miles, but should it have dropped this much? what can i do to improve this? i know a programmer is one fix, still trying to decide on which one of those to get. just wandering if there is anything else. thanks
Lead Driver
Joined: Jan 2006
Posts: 7,308
Likes: 250
From: Hartford, WI
The meter only shows average mileage not instant mileage. I have found mine to be pretty accurate although since I got it chipped, I have not found out whether it is accurate. It seemed to be reasonably accurate. I find it by filling up and then squeezing the fuel into the tank till I can see it at the nozzle. Give the truck a few shakes and fill till I cannot fill any more. Then I calculate the mpg.
Could be you have bad fuel or something changed. Not sure. You have to virtually run it past half a tank to get accurate mileage.
Could be you have bad fuel or something changed. Not sure. You have to virtually run it past half a tank to get accurate mileage.
FTE Leadership Emeritus
Joined: Sep 2003
Posts: 12,240
Likes: 754
From: Houston, Texas
Like aklim said, I think you probably caught a bad tank of diesel. Run some Lucas fuel additive and that should clean up any type of contamination.It normally runs about $7-$8 a bottle but it does the job, make sure and use the whole bottle for maximum effect.
FTE *******
Joined: Jan 2004
Posts: 791
Likes: 1
From: Pittsburgh, PA
I personally like the "Diesel Power" brand from Gold Eagle....I live in western PA and we have wet nasty winters and you always hear of some poor fello that has a fuel issue....knock on wood I have never plugged my diesel in, and never had a hard start or run running truck. I use the Diesel Power with every tank.
After saying that, I average about 13.5~14.5 MPG in town. We live in mountains so there is no level road and that as well kills mileage. On the interstate I have clicked off solid 18's with my 33" tires and hubs locked. I have never taken my hubs out of the manually locked position in any truck I have owned in the last 22 years, so I cant say if it actually saves any gas at all.
After saying that, I average about 13.5~14.5 MPG in town. We live in mountains so there is no level road and that as well kills mileage. On the interstate I have clicked off solid 18's with my 33" tires and hubs locked. I have never taken my hubs out of the manually locked position in any truck I have owned in the last 22 years, so I cant say if it actually saves any gas at all.
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ernesteugene
1999 - 2003 7.3L Power Stroke Diesel
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Jun 9, 2008 07:42 PM
