Code po1847 2011 f350 ford diesel

Stuck on 4low takes off on 2gear shifts into 3 4 and 5 no 6gear

It is the fuel heater, All you have to do is unplug it.a4c0d50.gif

simple : obtain replacement pump from parts provider (no used stuff)



Now help me out here: thats the year they were bolted to the pass side front of engine

and not inside the tank right? (better go look to see for sure)



using a tube wrench unscrew the fuel lines (i use large wire nuts to temp block off fuel leakage)



with a 12 mm wrench undo the two side bolts holding the pump to block



wiggle pump it should come straight off



clean mounting place on block with solvent let dry



silicone back (or use gasket that comes with pump ) of pump



apply pump to block (depending on where crank stopped you may have some tension on arm you will have to overcome to get flange to meet block )



use locktite (blue)or simmiliar thread lock on bolts retighten firmly but not hang up the dog tight



use light grease or vasolene on tube connections don't try to tighten dry



Now the fun part your diesel now has air in the fuel system



there are two ways to remove this ( hard and harder)

your choice here are both methods



loosten the fuel supply line for #8 injector ( I did not say remove) 1 full turn ought to be enough



crank engine 30 seconds only

wait 5 minutes for starter to cool down

crank engine 30 sec again

did it start but runs rough while it's still running tighten #8 injector (caution fuel under high pressure)

engine smooth out good your lucky

engine did not start yet

wait 5 minutes

crank engine 30 sec again

start yet

if so tighten #8 injector up



Now here's something I've done to my diesel to make this much less a hasstle



trace fuel line as it comes up from pump

obtain a small low pressure electric fuel pump and a two short pieces of fuel line

and a few clamps



use tube cutter and cut fuel line just before it bends to go in filter

deburr edges

slide tube and clamps over pipe (both sides)

insert pump observe flow arrrow towards filter



the wires of pump can be stretched over to #1 battery terminals



now any time you change a filter or open your fuel system for any reason

all you need do is connect pump to battery

open sharader valve on top of filter for a few min

and start truck as normal

then disconnect wires and stow away for another day

dies the truck restart once it cools off? it is very common for th 6.0 to have high pressure oil issues on a hot soak. they will run till the cows come home but once shut off they can not build up enough pressure by cranking speed alone to start truck until it cools down and the seals become rigid enough to bridge the gaps they are sealing in the first please. if this is the case. it may be the STC fitting ojn the back of the high pressure oil pump (intake and turbos must be removed to check) or possibly the branch tube o rings have worn. the branch tubes are located under the valve covers and supply the fuel injectors the oil they need to perform their "power stroke"...

climb under the truck! on the drivers side of the trans in the neutral safty swith unplug it and look for rotted connectors! if so repair damage! second go to passengerside near the rear of the trans ull see a plate that s being held by 2 7 or 8 mm bolts remove plate ! behind the plate there will b another plug do the same! inspect for corrosion

Bad Injectors most likely. I have a 2006 f-350 and was having the same problem. I ended up changing the fuel pump and 4 injectors.

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