Common problems on the 6.4

Discussion in '6.4L PowerStroke Engine & Drivetrain' started by Brad777, Jun 21, 2011.

  1. Brad777

    Brad777 SDD Junior Member

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    There are a few common problems with the 6.4 that I'm aware of like the Radiator problem. Let's start a list of the frequent ones.

    1. Radiator
     
  2. Zmann ARGH

    Zmann ARGH Full Access Member

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    fuel in the oil
     
  3. Dogman

    Dogman Full Access Member

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    crappy milage

    DP Filter
     
    Last edited: Jun 22, 2011
  4. Fine69

    Fine69 Senior Member

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    Radiator problems are pretty much ancient news. There were only problems in the Job 1 trucks.
     
  5. Brad777

    Brad777 SDD Junior Member

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    I've let this run for nearly one week, not much has shown up. This is what I expected...the 6.4 has been quite reliable.

    As with any engine that is mass produced, there can and will be issues here and there. However, after more than 4 years in service, the 6.4 doesn't seem to have many common, recurring problems. Other than sub-standard MPGs, it has turned out to be a great engine. :)
     
  6. Dogman

    Dogman Full Access Member

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    Mileage is the biggest problem.
     
  7. Polby

    Polby Super Duty Memeber

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    I have a 08 job 1 only the charged air cooler went. ford fixed for free
     
  8. defendu

    defendu SDD Junior Member

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    I have a 2010 F 350. I have never owned a diesel before and got this one to tow a 32 ft travel trailer. I have put 22,000 miles on it in the first year and have not had any problems with it other then the DPF "regenerating" 2-3 times a week during normal city driving, no towing. Just got back from a 200 mile trip to Utah and it cleaned itself 3 times in 200 miles. Milage suffers and EGT goes way up while towing. It is stock except for a K & N air filter, no cold air intake, and an edge CTS programmer. It cleans itself with or without the programmer. I have taken it to the dealer and they say "dont know what to tell you" it depends on time of year and type of fuel. Its been doing this hot or cold ambiet temps. Anyone have the same problem or suggestions ?
     
  9. Dogman

    Dogman Full Access Member

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    Mine did it for sometime until I drove about 2500 miles on the big road at 70mph. After two good cleaning it's been fine. I do know that fuel quality plays a really big part. I found a company here that sells diesel with a 50+ cetane rating and they sold me 100 gal. I put 30 gal in the truck and man did my truck love that. My MPG shot up to 18.6 mpg (done by hand).
     
  10. DaveBen

    DaveBen SDD Senior Member

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    The K&N air filter is not very good. You are much better off using anyone elses air filter system. K&N does not filter very well. This will lead to troubles with your turbo. Just a word of caution.

    Dave :)
     

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