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Ford F-250 Super Duty Questions

Get answers to questions about your Ford F-250 Super Duty at RepairPal. Find solutions, diagnose problems and get back on the road.

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took battery terminal off now it starts but when put in reverse it idles up and down and spark nocks till it stalls could this be a computer issue?

The door locks and windows and ac don't work.

hard start in morning sometimes have too cycle glow plugs 2-3 times to keep truck running

problem just accured, not using it til Iget it fixed. replaced the ignition switch, no difference cant see any wires broke or rubbed, hoping for some insight

the check engine light comes on but nothing seems to be wrong it started this when I changed the batteries

We took it to a desile mechanic and he could not duplicate it. replaced both batteries, they went through all the wiring, The horn does not work, changed the alternator. What else ??????

The check engine light was on for about 20 minutes and it only does it when I speed up.

Once the smoke finally blows out it will run fine. Until I stop again and take off. ?!? It is a 6.0 power stroke

Was told to check inline filter and don' find one

Motor is real sluggish and have to stop and restart the motor. The its fine for a while until it does it again. Seems like it only does when it's rainy weather

Replaced intake gaskets, no change. switched COP's and no change.

Truck does not drive or shift differently. Will it harm the truck to keep driving it?

all light\s -air -etc work just no dash lights & when I stop At Stop sign it pulls away in 2nd gear!!!

In two weeks time, my truck has gotten worse. First was glow plug light staying on and no fuel flow when trying to start. Then last week started shutting off after first get going. Problem is getting worse. If I get all lights on dash (water in fuel light comes on and cycles off), glow plug light goes out and truck starts. If water in fuel light doesn't cycle on, glow plug light stays on, and truck will not push fuel to start. Cycle key over, doesn't always work, sometimes works. 2 nights ago, check engine light finally came on, drew 7 codes, which I don't have here as I type this. New GPR installed today though, so it isn't that now.

2 new batt ,new fuel filters new oil filters checked and confirmed fuel at top engine mount checked ficm 48 volt ,had starter benched tested good and replaced altinator also checked all pulleys cranks really slughish and sound like something holding it from turning over

When I drive down the road I will hear a grind sound like 4 wheel wants to kick in , if I turn on the 4 wheel drive it will stop. I have to drive it in 4 wheel drive or it will do this all the time it is set on auto on the hubs, they have been just replaced, I no the pump is good or the 4 wheel would not kick in. What would cause this to do this a short in the switch on the dash or is their any other part iI should check.

All other states "ready". I have performed 5 drive cycles as per recommended in the owners manual, another from the ford site, and another found on you tube as well as "just drive it some more" as the smog shop recommends. NO trouble codes have listed.
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