Crank's and runs out of fuel when colder than 35 degree's. Filter full. changed o ring's on injector's. Tightened line from ip to fuel filter. don't see any leak's. Air somewhere but can't find it. Help please.
Thanks for the replys.I went buy and got some fuel treatment from a diesel repair shop and they had red line oil brand so i tried it.The truck has 150,000 miles on it and the injector pump has a slight leak around the throttle shaft.I asked if this leak would hurt fuel milage or power and they...
I have a '92 F 350 2 door 2 wheel drive 7.3 5 speed 4.10 gear.Drove it 220 miles with air on at 62 - 77 mph pulling a 4 x 6 enclosed trailer and got 13.7 mpg.I think this low because i use to get 10 -11 pulling 30' enclosed trailer.What does everyone think.Thanks for any help
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