Gets to about a 1/4 of a tank and then will run out of fuel. Any ideas what the fix could be? -

Bent fuel sender... or its not out of fuel but the pick up is broken...

When it runs out how much fuel do you put in it to fill it? -

CSIPSD's Sig:

01 F-250 SC,175k,16gauges,AFE-2,Modded H2e,6.0 IC,Hybrids,Water inj,Swamp tuned,Studs,Forged rods,910 springs,4"dual's,Aero,6" tip's,100 axl tank,4" lift,37" TOYO MT's

With TN BB and old set up...467hp-1066tq

Joe-AKA Gauge whore

shoot, I'll have to get the receipt out to see how many gallons I filled-up last time.

How could I check the "fuel sender" to see if it is indeed bent?

Thanks CSIPSD! -

your going have to drop the tank and look at the sending unit.

is this for a 6.4 or a 7.3? -

2500HeavyDuty's Sig:

The Original LB7
EFI LIVE, Suncoast IV, AirDog, Banks Intake, Mbrp Exhaust, Ranch hand bumper replacements, H2 wheels with 35's, and some secret squirrel stuff
12.9 @ 103

Drop the tank or remove the bed... Both are about the same amount of work. If your a long bed an empty tank should take 38 gallons, short bed will take 28...

Any less then 35 and your pick up tube is broken or something is amiss there. -

7.3 truck.

I think taking the bed off would be good. can two guys do it? any instructions on how to do it also?

Thanks guys. -

There are 4 bolts on each side, remove them and lift the bed, you don't even have to remove the bed, just move it off to one side or back.

You will have to unbolt the filler neck and unhook the tail light harness, but other then that, if you don't have a bunch of crap bolted to the bed (like I do... Tool boxes, fuel tanks, air tanks and so on.) its much easier then dropping the tank.

Wow. What a run on sentence... -

I understood it.

So what should I replace specifically? Would it be time just to replace the sending unit and pick-up tube anyway? -

Dennis is not a site sponser, I am trying to get him over here but he goes to Ford Diesel only sites more then all brands...

He has some of the best fuel system stuff for the 7.3 you can get.

ITP 7.3L Fuel Tank / Pre-Pump Kit

I would get this, and go from there... But first we need to find out if your tank is truely empty or if your just sucking air from the mixing valve.

You could just as easy have a weak/bad fuel pump... My truck will not keep fuel pressure if the tank is not full! I have a 110gal tank feeding the main that keeps it going. Something I have to fix but for now I just keep the big tank full all the time! LOL -