Another fuel MPG problem... after mods MPG went down - Ford Powerstroke Diesel Forum
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Old 01-15-2013, 07:27 PM
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Another fuel MPG problem... after mods MPG went down

ok. so i dont expect to get 25 mpg. but i was getting 15ish with my truck with 25% all-terrains (37") and a cold air intake.

since that, i did the zoodad mod, egr delete, mbrp 5" exhaust with 7" tip, new nitto trail grapplers, SCT livewire with custom tunes (from more power diesel [not real impressed with them])

my fuel mileage has totally fallen on its face. now its down to 9-10.
is this normal? or is something up? when i can afford the extra spending im going to get my tunes from one of the companys i hear about on here all the time, but thats besides the point.

thanx in advance!!!
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Old 02-28-2014, 03:45 PM
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Bumping this back up.

Took the truck in and 2 injectors failed cold contribution. Replaced them too and cleaned the others. Im going to take it bk in and have them recheck them but they should be good.

Im getting 10mph consistantly. I usually drive nicely like steady acceleration and coasting to stop signs n lights. I used to get 420 miles to a tank and now I get 300....


Wtf...
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