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  #1  
Old 09-12-2010, 08:45 PM
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9mpg? wtf?

ok so lately ive been looking into my fuel economy and i am getting 9mpg "around town" and i towed a trailer this past weekend with a mud truck on the back and couldnt go faster than 63mph and got 6mpg on the way up and back. any ideas on what this could be?
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Old 09-12-2010, 08:46 PM
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buy a tuner. my truck stock would get 10-16mpg, depending on load and my right foot
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Old 09-12-2010, 09:00 PM
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any smoke?
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Old 09-12-2010, 09:03 PM
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u check your tranny fluid to see if it has a burnt smell to it? maybe its starting to slip and causing your truck to work harder just to go as fast as you did? change your fuel filter anytime soon??
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Old 09-12-2010, 09:07 PM
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Quote:
Originally Posted by Dasaliac03 View Post
buy a tuner. my truck stock would get 10-16mpg, depending on load and my right foot
Ive got one i have the diablo predator.
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Originally Posted by bigb56 View Post
any smoke?
it smokes black when i get on it every now and then cause i have my programmer set on 100hp. no smoke other than that.
Quote:
Originally Posted by 7.3550Duty View Post
u check your tranny fluid to see if it has a burnt smell to it? maybe its starting to slip and causing your truck to work harder just to go as fast as you did? change your fuel filter anytime soon??
i will check that first thing in the morning. i just changed my filter 2k miles ago
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Old 09-14-2010, 03:51 PM
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Check you exhaust backpressure sensor tube. It could be getting clogged with soot
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  #7  
Old 09-25-2010, 10:53 PM
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truck still running like crap currently getting 8MPG and driving slower. breaks up a lot lately....
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Old 09-26-2010, 04:26 PM
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i was getting about that with mine when i first got it, i changed the fuel filter and the air filter and that greatly improved my gas mileage. just a thought, not a solution.
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Old 09-26-2010, 05:16 PM
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Did that today before work still running a little rough. Trying to figure something out
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  #10  
Old 09-26-2010, 05:24 PM
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Check your CAC tubes and intercooler for leaks. It will cost you boost, mileage, and power if there is a leak. You should NOT be getting that low of mileage!
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