Fuel Pump Driver Module

Discussion in 'Electrical' started by dwhst9, Jan 18, 2010.

  1. dwhst9

    dwhst9 New Member

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    This is my 1st post in the forum, but I hope it helps others that have fuel pump problems...

    We have a 2005 Expedition and the fuel pump died. Tried to order a new pump only to find they are on national backorder until mid-February. I found a used pump and had that installed. The truck at least started and ran, but still stuttered and missed. Turns out, there is a fuel pump driver module that is basically the brains for the fuel pump. I never heard of this before, but at any rate, here is where lies the problem:

    The FPDM sits on the crossmember above the spare tire. Road grim, dirt, salt, etc collect on top of the crossmember and basically rot the FPDM. Take a look at the pic of the FPDM that we removed. The back of the FPDM is supposed to be solid!!!
     

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  2. Stoned06

    Stoned06 Full Access Members

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    Are you sure someone didn't cut a hole in that?!!!!! Damn...definately not the best place to put something that can't hold up to the road grime. Thanks for the heads up. I'll have to take a look at my '06 to make sure it doesn't look like that.
     
  3. dwhst9

    dwhst9 New Member

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    Yeah, not the best design and/or location. Apparently aluminum can corrode over time when in contact with steel. I did not know that.
     
  4. gfwelkner

    gfwelkner Member

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    1998 EB no Start

    Thanks for the post. Do you know if this would apply to the previous generation of Expy's? (1997-2002) Mine won't start unless I add gasoline through the intake. Thanks.

    -Gordon
     
  5. chrmar

    chrmar Full Access Members

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    I just took a quick look underneath my 97 (no spare tire at the moment) and there's no module on those crossmembers. There isn't even any space between the body and the crossmember for anything...!
     
  6. bareinke

    bareinke New Member

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    Fuel Pump issues

    My 2006 Expedition has been missing / stuttering severly. I took it in for service & they replaced the fuel pump. It's one week later & it's still doing the same thing. Now they say it's the fuel pump driver that is all corroded so they ordered the part. Did I really need the new fuel pump or was that in error?
     
  7. EightIsEnough

    EightIsEnough Full Access Members

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    I know this is an old post, but I found it while sitting at a repair shop in the middle of a 500-mile trip. I was travelling south in my 06 EB when it sputtered and died at 65 mph. I was stranded on the side of the road waiting for a tow. I checked my obd tool with torque pro and found that the fuel rails had lost pressure, and the computer was getting no signal from the fuel pump. A Google search gave info about this fuel driver being a common fault (http://m.ford-trucks.com/forums/showthread.php?t=1134339&styleid=20). I gave this info to the repairman who ordered and replaced the part in about three hours from the time that I had broken down.

    Sent from my SCH-I535 using Tapatalk
     
  8. bedrck46

    bedrck46 Guest

    There have been a few posts recently about this issue
     
  9. EightIsEnough

    EightIsEnough Full Access Members

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    I am on my way again, but my obd does not recognize the new part, and now I get no info from the fuel system. Any wisdom on this issue?

    Sent from my SCH-I535 using Tapatalk
     
  10. 06king

    06king Active Member

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    It's hard to tell. My 2006 expedition just died and it would not fire up again even though the engine was cranking really well. Mine was a corroded fuel module. It also had a hole in it.

    It is worthwhile to check yours out before you're stuck in the middle of the road like I was & have to pay a toll truck and a mechanic to fix it.

    It is visible from the rear driver side wheel well... bolted on the inside of the crossmember.
     

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