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Thread: 2005 Ford E-350 6.0 turbo diesel problem

  1. #1
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    Default 2005 Ford E-350 6.0 turbo diesel problem

    I have a 2005 E-350 shuttle bus with a 6.0 international turbo diesel in it.
    The bus is basically running raw fuel through the exhaust.
    I have taken it to a Ford dealer where my brother-in-law works ,he is a 38 year certified Ford class A mechanic and the other person in there has worked on diesel engines for more than 25 years) and both are scratching their heads on this one.
    They have debugged the problem via the computer diagnostic program as far as they can and unfortunately it is still not running correctly.
    The bottom line is cylinder 4 in not playing with the rest of the cylinders and 6 and 8 are not running to maximum. Cylinders 6 & 8 do get stronger when the RPM is increased with the exhaust disconnected but still do not come up to 100% according to the computer read out.
    I have replaced the VGR, a new fuel injector on cylinder 4 and even a new FICM unit on it and nothing has changed.
    The computer still shows that number 4 cylinder is dead and 6 and 8 cylinders are not 100%.
    I have a gut feeling that it is an intermittent wiring problem but I have no mechanical expertise what so ever. My only experience comes from working on airplanes while in the Navy.
    Has anyone out there had a similar problem or have any suggestions?
    Can anyone refer me to a diesel specialist in the St. Louis area?
    I have looked on the internet but nothing looks promising.
    Thanks you in advance for your time and for responding to this call for help! I really appreciate it.

  2. #2
    Senior Member LIMOJESS's Avatar
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    I have a 2005 Diesel 6.0L and it has a 100K miles/5 year warranty on the engine. It expires in May of this year. Last August the delaer preformed about 5000 worth of work and cost me $100 deductable.


    What is the mileage on your bus?

    Have you replaced the two fuel filters, air filters and glow plugs on it?

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    You could have a cracked or damaged head; the fule runs through the head to the HEUI injector. Has the fuel pressure been tested? Have the injectors been swapped to assure that that its not a bad injector in 4?

  4. #4
    Senior Member Wade Randolph's Avatar
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    The 6.0 liter turbo diesel is famous for injector problems. The problems usually happen in the first 30,000 miles.

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    Thank you all for your responses, I appreciate it
    I have replaced the two fuel filters and air filter
    The fuel pressure has been checked and is ok.
    I have not replaced the glow plug or swap the injector to validate but did put a new injector on 4.
    My bus has 198K on it.

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    Where is the pressue being tested? The feed or the return? The fuel filters would have nothing to do with an excess of fuel and the cylinder pre-heaters wouldn't have anything to do with this either. I think you have a problem with the head internally because all affected cylinders are on the same bank, and while it could be an electrical issue, I think that it isn't because while it is limited to one bank, it is not affecting all four cylinders on that bank.

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    Some really good info in this thread!
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  8. #8

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    6.0 litre diesel engine is junk we have a 06 with 85000 miles on it and had the heads done 3X and just had a new engine put in all under ford warranty . These engines are just problem from day on the week spot is the heads.

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    Senior Member LIMOJESS's Avatar
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    Accourding to a diesel forum I visited, looks like a head too. Napa sells good heads for them and they are alumuium in the middle verus a weeker plastic ford part.

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    The best place to have these engines worked on is either an International dealership or an independent garage that also works on diesels. If you can limp her down 64 to Louisville we'll get'er going again.
    Last edited by Limo Insurance King; February 11th, 2010 at 06:42 PM.

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    Senior Member Cedar Mill Limousine's Avatar
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    Quote Originally Posted by Limo Insurance King View Post
    The best place to have these engines worked on is either an International dealership or an independent garage that also works on diesels. If you can limp her down 64 to Louisville we'll get'er going again.
    That's why I like you Phil...not just an insurance broker, but a diesel mechanic too! I think you nailed it on the head on this one!
    Rich Rottier
    219.808.0976 | richrottier@gmail.com

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    I just cannot get enough of turning wrenches it's just relaxing to me! In regards to diesels in medium-duty vehicles, it is always best to take them to a semi dealership that works on the real thing instead of the dealership (unless it is a warranty job, but even then, sometimes if it is an engine issue under warranty then the heavy-duty shops can still perform the work and be paid, but most may not do it because the warranty pays much less than what they charge) and no offense to dealerships, but this is not their specialty.

    Fords - International
    Chevy/GM - Isuzu
    Dodge - anywhere because it is Cummins and not application specific

  13. #13
    Senior Member LIMOJESS's Avatar
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    A local penzke, budget might have mobile mechanics that only do diesel trucks. E450 6.0L is available on so many platforms, ie box truck, rv, school bus that somebody should be able to fix that in your area.

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