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  1. 99-03 7.3L Powerstroke Problems
    Hello I have a 99 7.3 powerstroke that goes into a limp mode and the service engine soon light turns on during start up but turns off after a minute or two and drives completely fine afterword. It mainly does this from late spring, summer, and early fall, but sometimes happens in the winter but...
  2. 99-03 7.3L Powerstroke Problems
    Hello, my 7.3 has about 197K miles. I had a check engine light pop up with the truck feeling like it’s in limp mode or miss firing or running on half the cylinders. If I cycle the ignition everything runs like nothing happened. I had the Ford dealership try and read the code but the check...
  3. 94-98 7.3 Motor Problems
    Okay so we're having a major problem with our truck here are the symptoms. Kind of a rough idle will start up cold and run in idle but as soon as I get on the gas pedal or it gets warm it starts to stall and die going into limp mode if not shutting off entirely. Have to turn the key off turn it...
  4. 6.4 Tranny Problems
    I got a very used 2010 F250 6.4 (200,000 miles) When driving without anything attached, all is well. Turbo will spool up to 35psi, all gears work great. No error codes. Issue: I attached a 6,000lbs box trailer to it, couldn’t go faster than 65 max (most of the time between 50 and 60 was max...
  5. 6.0L Problems Forum
    Not that I would EVER do something so heinous as to delete my EGR. But theoretically, if I or someone I knew did do this criminal act, and theoretically they were dumb and didnt know you needed to tune the egr system out.... what would one do to fix this issue? Unfortunately in this theoretical...
  6. 94-98 7.3L Problem Forum
    Hello everyone im new to the 7.3 fam thank you in adavace for any advice.. I have recently bought 95 f250 7.3 stick shift with 245,000 miles , i was using the truck as a daily driver for 2 months everything was working just fine till i came across a random problem ..the truck starts up just fine...
  7. 6.4L Problems Forum
    I recently ministered my fuel rail pressure on FORscan to try and figure out why I kept going into limp mode. I keep popping p0088 in the PCM so I cleared codes to see my actual fuel rail pressure. I ran the desired side by side with the actual and found they ran mostly hand in hand with few...
  8. 94-98 7.3L Problem Forum
    Hello, I have a 1996 f250 7.3 with a zf5. I just recently got running. Took it down the highway for the first time last night. The truck has a efuel system I made, runs at about 65 psi. New dark blue cps. New fuel selector valve (Fsv2a) It's cold up here, maybe 20 degrees, I'm running 10w-30...
  9. 6.4L Problems Forum
    Hi All, I'm very new to the world of diesel. Last week I purchased a 2009 F-250 6.4L pickup. It has 155,xxx miles on it. There is no tuner or modifications that I can see. It appears to be all stock. We made the purchase from a small dealer about 200 miles away. On the way home after driving...
  10. 6.0 Motor problems
    06 f250 6.0 and i have been dealing with fuel gelling issues all winter long, i have replaced filter after filter, but now my truck has no power while driving. It idles fine, and drives fine but once i crack half throttle or WOT, nothing happens. It will stay around 2500rpms and it feels almost...
  11. 6.4 Motor Problems
    My 2008 F550 with 109k total miles has a replacement motor, turbos, and injectors all installed by Ford. It only has 5K miles on it but has went into reduced power mode 5 times since September 2013. It runs perfectly 99%of the time but keeps going into limp mode and showing code P252F, engine...
  12. 6.0L Problems Forum
    From what I've seen on other threads I am assuming my truck is in limp mode but I want a fresh opinion. When I was driving all the sudden the truck was having a really hard time and wouldn't go over 50, but I was a ways from home and long story short, now the truck is sitting at a friend's shop...
  13. Tranny 911
    Guys, I'm new here and just bought my first 7.3 after the typical 6.0 nightmare that lasted a year and a half. I am happy with the truck so far, but today after warming up for 15 minutes (it was 16 degrees out) I took it 2 miles into town and my trans wouldn't get me past 15mph on the way home...
  14. 6.0 Motor problems
    I have an 06 F250. The wrench light comes on when I go full throttle. Even when in neutral. If I push the pedal to the floor the light comes on. I climbed a steep hill without pushing the pedal to the floor but got it to 3000 rpm and 25 psi of boost and no light. The truck seems to run fine with...
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