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  #1  
Old 08-04-2007, 03:51 PM
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mpg SUCKS big time!

Need some help here......

MPG is starting to REALLY suck!!
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Old 08-04-2007, 04:05 PM
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yeah definatly change air filter and fuel filter.
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Old 08-04-2007, 09:46 PM
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already did no change....

12.7 mpg which is totally unacceptable
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Old 08-04-2007, 09:50 PM
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Your getting better than me. I see around 11 on an average day empty. 9 with a trailer.
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Old 08-04-2007, 10:46 PM
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poor fuel mileage

The link above may help you with your problem, keep us informed.

Gord.
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Old 08-05-2007, 12:07 AM
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i have heard when you put more miles on it you will start to get better mpg
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Old 08-05-2007, 03:10 AM
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Quote:
Originally Posted by 2005F250 View Post
Your getting better than me. I see around 11 on an average day empty. 9 with a trailer.
Yikes, you have 35s however. Im still on stock 265s with a 3.7:1 rear end

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Originally Posted by willypscustoms View Post
i have heard when you put more miles on it you will start to get better mpg
It recently lost 2mpg, and most everyone I've seen comment on it here says its about done gaining at 30k mark. Im at 43k and climbing.
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Old 08-05-2007, 03:14 AM
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poor fuel mileage

The link above may help you with your problem, keep us informed.

Gord.
My injectors are under the valve covers which would make it a MAJOR surgery to get at them....I suppose I should bring it to a dealer to have them test out each injector
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Old 08-05-2007, 05:54 AM
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If all that doesnt help i would spend the 100 bucks on the warranty deductible and have a diesel tech look at it
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Old 08-05-2007, 06:09 AM
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I've been told that every time you add an aftermarket product on the engine you should disconnect the batteries for at least 15 min. that causes the computer to reboot and with the new products. I'm avg. 17.5 mpg city, and yes aftermarket air filter is a must also look into a tuner.
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