Horrible Fuel Mileage!!!!?????

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#11

04-19-2012, 07:09 PM

chadcycle 2500

Diesel Enthusiast

Join Date: Jan 2011

Location: Chadwicks,N.Y.

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Milage

check tps calibration,& the above mentioned items,brake drag,turbo bearings,exhaust,injectors, get gauges

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#12

04-23-2012, 05:59 PM

Wranglerboy3242

Diesel Fan

Join Date: Apr 2012

Location: Lafayette,IN

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I got an 2002 24v cummins with 5 spd with 4:10s bolted to a detriot locker. I get about 15.5 with summer fuel winter 13-14 maybe.

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#13

04-30-2012, 04:18 AM

nelson86m

Diesel Fan

Join Date: Nov 2010

Location: Montana

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My trucks fuel mileage was bad like that, just put in New injectors and adjusted the valves, took me from 14 mpg to 21 mpg

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#14

04-30-2012, 10:34 PM

straightsix

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Join Date: Apr 2012

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i started getting real bad fuel mileage as my injector pump was going out. other than that fuel/air filters. something is definitely wrong for those speeds with a manual.

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