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99 & up 7.3L Power Stroke Engine & Drivetrain

Discussion of the '99 & up 7.3L Power Stroke diesel engine and drivetrain in the 1999-Up Super Duty trucks and Excursions. No gas engine discussion allowed except on transmissions and drivetrain that pertain to all models. Please confine discussion of topics in this forum to those items that are specific to the 7.3L Power Stroke engine.
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  • 126M
  • 356K
  • 126M

6.0L Power Stroke Engine and Drivetrain

Discussion of the 6.0L Power Stroke diesel engine and drivetrain in the 2003-Up Super Duties and Excursions. No gas engine discussion allowed except on transmissions and drivetrain that pertain to all models. Please confine discussion of topics in this forum to those items that are specific to the 6.0L Power Stroke engine.
  • 238K
  • 90.4M
  • 238K
  • 90.4M

99 & up Upgrades and Aftermarket - 7.3L Engine

Upgrading or adding OEM or aftermarket equipment to your 1999-Up Super Duty or Excursion with 7.3L Power Stroke diesel engine. Please confine discussion of topics in this forum to those items that are specific to the 7.3L Power Stroke engine.
  • 225K
  • 45.9M
  • 225K
  • 45.9M

Power Strokes 1994-1997 General

Technical discussion of topics related to vehicles powered by the Power Stroke engine in 1994 through 1997 models.
  • 203K
  • 48.6M
  • 203K
  • 48.6M

7.3L IDI Diesels (Not Power Strokes)

Technical discussion of topics related to vehicles powered by the 7.3 Liter In-Direct Injection Navistar engines.
  • 162K
  • 47.5M
  • 162K
  • 47.5M
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  1. Ford (Factory) Coolant Flush Proceedure

    6.4L Power Stroke Engine and Drivetrain
    How many of you have run into this scenario. You take your 6.4L into the dealer for a coolant flush. You have either reached your 5 year life, or you're at the mileage or the coolant didn't pass the nitrite test. In any case Ford has a very specific coolant flush procedure for the 6.4. I...
  2. Engine jerking up hill.

    6.0L Power Stroke Engine and Drivetrain
    Went for a drive this morning up to the mountain home. Drove 100 miles on the freeway no problem but as soon as I started going into the mountains and up a small grade, the engine started jerking as if it was cutting out. I was doing about 60 at the time and when I let off the throttle and...
  3. Trouble with Fan Clutch

    7.3L IDI Diesels (Not Power Strokes)
    My fan clutch was not working much anymore so I went to remove it and it took tremendous pressure with a cheater pipe to finally break loose and screwed out about 1/2 inch and stopped going out, just sits there and spins in the same spot. What's up with that?
  4. Trouble Code P0603?

    99 & up 7.3L Power Stroke Engine & Drivetrain
    What do heck does Trouble Code P0603 (Internal Circuit Mod. KAM error) mean? Thanks, Griz
  5. Micron rating of a standard coffee filter?

    Bio-Diesel and Alternative Fuels
    Since the weather is warming up here, I plan to use my own uded veggie oil as a fuel additive and lubricant. It's already gone through a 100 micron water separator filter. I'd like to final filter the oil through coffee filters since they're cheap and readily available. Anybody know the...
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