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6 Posts
Discussion Starter #1
I have been noticing the last couple months my fuel milage has be decreasing. I have changed all the fluids and filters. Ive tried the injector cleaners and fuel treatments. Do you guys have any ideas of what might be causing this?
 

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We In The Money Now
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37 Posts
It's the additives they put in the diesel fuel for the winter blend the same thing happens to me and Ive checked everything, with our trucks idling longer for warm up times, i don't know how bad your MPGs went down but mine dropped from what i was getting in the summer i don't let it go below half a tank never have since i bought it unless it's a very long road trip but i was getting 200/225 for a half a tank. :blah::blah:
 

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Discussion Starter #4
It dropped 4 mpg, I let my truck warm up about twenty minutes but I did not think it would drop it consistently that much. I have the small fuel tank on my truck and Im getting 270 using three quarters of a tank
 

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'05 Excursion
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1,948 Posts
Winter diesel has less energy in it then summer diesel so that's why everyone's mileage tanks on winter diesel.


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