I have a 2008 F-250 Super Duty Diesel, I have had a tank of fuel that had water in it and the ford dealer is saying that I have to replace the hi pressure fuel pump which is $10,000.00 with labour because the body has to come off to get at the pump is this correct and is there any manuals or directions on how to access the fuel pump and have it rebuilt.
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Re: Hi pressure fuel pump
Unfortunatly the injectors and the pump are computer matched when the engine is assembled so YES 10,000 sounds high but right for a dealer price.
I would be VERY careful who you go to for this job the high pressure pump has to put out nearly 15,000 psi to run the injectors. With that kind of pressure if anything is done wrong it can be major
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It's sounds like its getting air some where...could be the fuel injector...can you specify more clear. My friend had the same year same make and same problem brought it back to dealer I think they changed a bad injector. Maybe there's a recall
diesel engines high pressure pumps not suppose run dry.diesel fuel keep high pressure pump cool and lubricated.problem could be fuel pressure regulator in the fuel filter water separator housing.replace fuel filter see if it helps problem could be fuel pressure regulator in fuel filter housing, the fuel pressure regulator has a air bleed orifice that allows vent to the fuel tank.make sure fuel pump fuse okay pump getting power. i would let garage or dealership check it out if all fails because your diesel engine fuel timing is pcm controlled if let fuel system go dry you probably have to have fuel injection timing reset or could have damage high pressure pump letting it run dry i hope thats not the case because high pressure pump not cheap part i hope it not that.
check fuel pressure, check filters , bad fuel or water in fuel is a common problem with diesel fuel.start simple, turn key to on ,,can u hear fuel pump. remove filter check condition see if water in filter.they have 2 or more filters. prime pump per manual try again.
there are 2 high pressure lines that attach to the high pressure pump near the front of the engine left side. the o rings leak. I would get them from the dealer, or a shop that does a lot of Diesel work. Its not a easy job.
I think you mean that you have water in your diesel fuel. Open the valve behind the fuel/water separator and drain out some of the watery fuel into a pan (place pan under the car). If you have a lot of water in your fuel, you may need to have a professional drain your fuel tank, flush out the fuel system, and try to salvage the fuel for reuse. I hope this helps.
yes, on engine.base part #9155, Item #40, big round thing in picture
SECTION 303-04C: Fuel Charging and Controls — 7.3L Diesel
2000 F-Super Duty/Excursion/Motorhome Chassis Workshop Manual
DESCRIPTION AND OPERATION
Fuel Charging And Controls
The fuel system used on the 7.3L direct injection (DI) turbo diesel engine is controlled by the powertrain control module (PCM) (12A650).
The fuel system components consist of:
The diesel engine runs on air and fuel. The hick up is from air getting into the system. The injection timing is off. or the fuel injection pump is starting to go. The fuel pump in the tank should be okay because you are getting fuel up to the filter replaced in the engine. I would have the fuel injection pump pressure checked. IF the fuel pressure is good then I would check the fuel injectors and the linkage. The slightest leak in the fuel system from an o ring or filter makes all the difference in the world.