Question about 2003 Ford F350 Super Duty DRW SuperCab

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I have a 2003 Ford F350 with the 7.3L turbodiesel. It has allways been flawless. About a month ago, it started burning oil out of the blue. I've never seen anything smoke so bad. It only has 144,000 miles on it. I've removed and flushed the tank, replaced the lift pump, changed the oil, and replaced the turbo. The oil smoke is much, much better but I don't want any smoke. I know I won't accomplish that but I still want better. I also bought a Fuel Pressure Regulator. Should I put it on? Thanks rhurley32

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  • rhurley32 Apr 08, 2011

    I'll give it a try. I didn't even think of that. Thanks

  • Paul Alan Chambley
    Paul Alan Chambley Apr 17, 2012

    When you pulled the sender assembley out of the tank,,did you take it apart and remove the screens..They get clogged and alot of people dont know about them..It will cause the same problem as the fuel pump going out..You have to unsnapp the cylinder part of the sender..Remove the bottom strainer,,unsnap the cylinder and swing it around,,and you will see the two screens..They are always bad about clogging up



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Usually if a turbo engine starts smoking 'out of the blue' it is because the drainback line is clogged or has a partial buildup of coke in it (I went through this exact problem)-I ended up removing the turbo again and redid all the lines with new ones, and it solved it. You could install the new regulator anyway, but if it does not improve I'd think it is the oil return line.

Posted on Apr 08, 2011


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