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  1. M

    04 XLT Rear Sub

    I was curious if anyone has seen if the XLT expys already had an enclosure for a rear sub like the EBs or if anyone installed a EN enclosure in an XLT. I use this truck as more of a continuous project/work truck so I want to add some bass without compromising utility. I’m not looking to make the...
  2. M

    Lack of acceleration

    Finally broke down and got the cats replaced. Took the O2 sensors out and got the majority of my acceleration back (still has a slight miss). Cost about $1k but I’d rather spend a few more on this than inherit another set of problems or money with replacing it. Now for a new transfer case and...
  3. M

    Issue when full throttle

    Been chasing this same issue but on a 04
  4. M

    Lack of acceleration

    Between work, school and life I haven’t been on here for a while. Anyway… I’ll check the brakes thing only because I noticed something weird with the driver side front rotor which was strange in comparison to all the others. I’m also going to do a temp check on the cats I read somewhere the...
  5. M

    5.4 Triton choking out at 3,000 rpm

    I’m having the same issue on my 04. When it’s cold, it’s no problem, but once it gets to operating temp it struggles to get past 3k, especially going up hill
  6. M

    Lack of acceleration

    Well they are cheap coils just because I couldn’t do motorcraft at the time. I’ll have to recheck vacuum lines I did while I changed the intake gasket (cel code) but it might be worth doubling back on the vacuum lines.
  7. M

    Lack of acceleration

    The following list were necessary repairs Changed Fuel Pump, 8 COPs, Intake Gasket Still having the same problem, I thought cats but I took it to a shop and they said they are fine. No misses, no codes…I’m stumped.
  8. M

    Catalytic Converter Temps

    What is the healthy range for cat temps? I used my heat gun to test it out and here’s what I got. I tested precat and postcat, and waited til it got the normal operating temp. These are averages, and not 100% accurate. Drivers Side Precat- 450 Postcat- 370-390 Passenger Side Precat- 430...
  9. M

    Lack of acceleration

    I’m also starting to think something’s up with the cats. Theres an occasional rattling noise under the Expy that randomly comes and goes
  10. M

    Lack of acceleration

    Sorry it took so long to respond. When I changed out the plugs one of the cylinders was stripped and someone didn’t properly install the thread insert. Changed all 8 plugs, improvement but not change. I finally broken down and bought a fuel pump which was PITA to install but got it done and it...
  11. M

    Lack of acceleration

    everything works properly. It starts fine, plus I had the flywheel replaced which occurred post problem. If anything, the upshifting is the issue. I have adjusted the TRS properly atleast to my knowledge. Is there a write up on the procedure. I’m not sure about plugs, tried to pull one but one...
  12. M

    Lack of acceleration

    It was weird though I just had a check engine light come because of that sensor but drivability didn’t change, Clear the check engine light and it definitely came back which is what led me to change the sensor
  13. M

    Lack of acceleration

    I originally had a DTC for the TRS. I replaced it and that’s when the problems Started. However I replaced it again and still have the same problem. Basically up to the point where I had the code for the TRS…I had no issues.
  14. M

    Lack of acceleration

    If this helps there were some air bubbles when I bled off the fuel rail…held the relief button to clear out some of that
  15. M

    Lack of acceleration

    Just tested. Pulled between 50-52 psi at the rail while idling, roughly 30-40 key on, engine off
  16. M

    Lack of acceleration

    2004 Expedition XLT 5.4. 260k miles When driving on a flat road no real issues, except when I try to accelerate hard. It won’t shift and stops trying to accelerate past 3k rpm. Up hill, regardless of weather, temp, ac on or off, it won’t accelerate past whatever speed I’m going. For example...
  17. M

    How many miles on your 2nd Gen Ford Expedition?

    04 XLT 4x4 256k...saves from Copart
  18. M

    Weird Starting Issue

    Well replaced the starter. It wasn’t as brutal as I thought. But not only did it fix the issue, somehow the power seat started working too. ‍♂️
  19. M

    Weird Starting Issue

    Thanks I’ll try that
  20. M

    Weird Starting Issue

    04 XLT 5.4 V8 4x4 250k
  21. M

    Weird Starting Issue

    Also when the truck doesn’t finally start it runs fine...for something with north of 250k on the clock
  22. M

    Weird Starting Issue

    So I go to start my truck and it doesn’t. What sounds like is happening is the starter spins and the engine wants to turn over, but it loses its engagement and stops trying to start. I connected my jump box to it and after a few more tries it did run. The moment the car cut off, the issue...
  23. M

    Brake Hose

    So...any write ups about brake line replacement
  24. M

    Brake Hose

    new to Fords for the most part as well
  25. M

    Brake Hose

    That makes sense, I just thought that the suspect line/hose was that one. I guess I'll do some investigating in a little bit. By the way, I'm new to the forum, picked this one up from Copart $600 out the door so I was expecting some problems at some point. It runs and drives but doesn't stop now...

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