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  1. 7.3 ROUGH Running after low on fuel

    Diesel Diagnostics
    First off, this is my first post within this forum. I am an avid Diesel "doctor" for many Mercedes diesels from light to heavy duty applications. If Im not driving a MB diesel, I am driving a powerstroke and right now I have abit of a problem on a truck I havent had long. Details in...
  2. First WIF & Glow Plug lights, now smoke

    6.0 Motor problems
    I am on my first diesel truck a 2004 F350 Super Duty. It is a 6.0l Diesel with 120K miles. My issue started last week with the WIF and Glow Plug coming on for about 2-5 seconds. When that happened the truck dropped to an Idle. Once the lights went out, the power was restored. This happened 1...
  3. 99 7.3 Miss/chug when hot, stalling.

    99-03 7.3L Powerstroke Problems
    I have a 99 7.3, it is stock No chips/Mods. Starts/drives OK when cold, will drive for 10-15 minutes perfectly fine then pow. Fuel filter was replaced recently. Oil is not excessively out of mileage. It started One day on my way home from work I stopped at the grocery store (and everything was...
  4. Ton of codes

    6.0 Motor problems
    Hello! My truck is throwing a bunch of codes, P0069, P0299, P0404, P0405, and P0470. It has also thrown a P0341 but has since gone away. This all started when the temps here in ND dropped below zero. I haven't had any issues from the truck until yesterday when it was really cold (-16 f) and I'm...
  5. 2006 Powerstroke Stumbling, smoking, no power, missing - backfiring..... HELP

    Engine 911
    This is a 2006 F350 Crew Cab Automatic. 125k miles. Pretty much stock minus straight pipe off turbo. Several months ago, had no hot start issue develop. Took to shop and they replaced IPR and did turbo seals and most of top side o-rings, dummy plugs, new oil cooler screen (it was blitzed)...
  6. Rough idle

    99-03 7.3 Motor Problems
    I was driving, and was at a stop light. My idle was fluctuating 200-300 rpm. I did notice earlier when I was cleaning my intercooler boots that the plastic part on top of the IPR moves around. Also, whatever it is, is very sensitive because it will be rough, the stop at ramdom times. I am at my...
  7. Rough after warming up

    99-03 7.3 Motor Problems
    Hello guys, I have a 2002 Ford F250 7.3L that I bought new in '02. Recently the engine lost power and ran really rough. I brought it to my local mechanic who had to replace the main wiring harness and the passenger side Under Valve Cover Harness. They also replaced two injectors on the...
  8. P0279 code, rough idle, no power.. ???

    6.0 Motor problems
    Greetings- i am new to the site, and love all the info yall put on here. I have an 04 250. K&n intake, 4" exhaust, and hypertech max energy tuner. Today while stuck in wonderful Dallas traffic, she started idling rough. No cel, just sounded like it was "missing". I was able to limp her home, and...
  9. Fuel problem, stumped

    6.0L Problems Forum
    Well shoot, I have had the worst luck with this truck. 2004(late model) crew cab short bed. Egr delete, airaid intake, studs. I have done studs(twice) on this thing in a matter of 15,000 miles without running a tuner. Heads were pressure checked and milled within ford tolerances the second time...
  10. white smoke, engine runs rough...rookie needs help

    99-03 7.3 Motor Problems
    I have a 99 f 550 7.3 with 200,000. Just recently the fuel system was contaminated with engine oil. I replaced all 8 injector seals and cup sleeves. Replaced the rail fuel pump and fuel filter. The contamination is fixed, but after a couple of the days of using the truck it made a hissing noise...
  11. Rough Idle, Off and On Power....

    6.0 Motor problems
    Hello I'm new to the forum, I just bought a 2005 6.0 Monday and I've been having a problem with rough idle, and slight missfire around 1500RRPMs in most any gear (happens once in awhile) and off and on power. The truck has been sitting for about 6-8 months. First thing i did was change the oil...
  12. Tony Wildman Chip Questions.

    99-03 7.3L Performance Parts
    Hello everyone, Im brand new here to the community but have read hundreds of threads and love the site. First of all i have a late 1999 f-350 dually 4x4 crew cab, with 4" turbo back straight pipe, Banks CAI w/zoodad mod. isspro gauges. and just added Tony Wildman Chip. I received the chip and...
  13. Took the truck to the shop. Help me prep for the mechanics news?

    94-98 7.3 Trannie Problems
    Hey all, I have had my '97 XLT, quad cab, DRW, automatic for just over 2 years. It has 221000 mi on it. Recently I noticed that when I shifted into D, or started from a dead stop after having driven for a while, first gear felt like driving a manual and very slowly letting out the clutch. I...
  14. Having a hard time starting

    99-03 7.3L General Discussion
    When I try to start my 2000 Excursion it sounds like the batteries are low. It turns over a little slow and hesitates and then starts and runs fine. The batteries are good and so is the starter and alternator. The air filter is a little dirty and will be changed tomorrow. Any ideas of what...
  15. 2003 Excursion rough idle then stall...

    6.0L Problems Forum
    I was driving down the express way the other day when all of a sudden out of nowherethe engine started losing power. It was not a quick loss of power but is very slow over 20 seconds loss of power until the engine eventually stalled. it would not restart. I had to have it towed back to my house...
  16. Rough running, white smoke

    94-98 7.3 Motor Problems
    So I bought my truck in August and it ran okay for $2200. It is a 95 7.3. I now about $6000 into the truck after messing with it since thanksgiving and it still is not running right. I have replaced all of the injectors. IPR. and many other things. I believe the only problem left is that it...
  17. Rough Idle, White Smoke

    94-98 7.3L Problem Forum
    My HPOP was at 3800 psi. Had a really rough idle and lots of white smoke. Took pump apart and there was a check ball out of place. Put it back and replaced IPR and now its back down at 800 at an idle. Problem is the truck is still running insanely rough and blowing white smoke. Had injectors...
  18. HPOP at 3800psi Idle

    94-98 7.3L Problem Forum
    The truck is running really rough with lots of white smoke. The only thing I had done to truck was PCM tuning by DP but I do not believe the PCM is the problem because it ran a friends truck just fine. I took it to local shop and they checked PCM, IDM, IPR, ICP, CPS. The scanner showed the HPOP...
  19. BAD IDLE, NO POWER, PLEASE HELP!

    99-03 7.3L Powerstroke Problems
    Ok, I am lost on this one. here is the description of what keeps occurring. The truck starts just fine and runs flawlessly, just like always. Then, out of nowhere the service engine light pops on and I have a terribly loud and rough idle and no power to speak of. Pull over, turn the truck off...
  20. 99 7.3

    99-03 7.3 Motor Problems
    hello 99 7.3 hear with some engine issues driving along steady 45mph and the truck started bucking and vibrating frequency of vibration is RPM dependent when cold it seems to start and run fine but once hot the issues begin idle is rough, between 1-2k rpm it really struggles and vibrates...
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