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  1. S

    Rough running

    I have an ‘06 as well. There’s something wrong with the circuit to injectors 2 and 4. If the resistance across the injector terminals is within spec, I’d check the continuity of the ground wire to the PCM and to check for 12V at the injector with ignition on. You might want to clear the...
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    2003 Transmission clonk in overdrive downshift to 3.... Going up a grade... Pretty good bang! If I push overdrive button.. no bangs, runs perfect

    Your problem got me thinking so I watched a 4R70 teardown on YouTube. I've torn apart my Bronco's C6 3-speed 3 times over the last 11 years so am somewhat familiar with the Ford way. Overdrive is actuated with a band versus a clutch in the 4R70 (I wasn’t aware of that until yesterday). I’d...
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    Front left wheel humming

    If 4WD maybe a partially engaged Integrated Wheel End. That’s all I can think of except some weird tire thing.
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    05 Expedition

    The stock oil pump bypass relief should be around 60 psi. Those of us that put the Melling M360 pump on have about an 80 psi relief. If you’re seeing 120psi, that has to be an oil pump bypass failure. The question is what caused it. Quick story: I put a Melling high volume oil pump on my...
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    BEST OIL FOR 5.4 Tensioners?

    I use 5W-30 because it feels right and Ford Tech Makuloco on YouTube recommends it. Chances are the tensioner seals leak—I pulled everything apart at 100K miles and both tensioners seals were compromised. The evil is chain slap on the plastic guides at startup over time will cause them to...
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    AC issues

    Let's begin with the basics. Start the engine, set ac controls to maximum cool, fan high. Make sure air flow in the cabin is from the dash vents. Under the hood, see if the compressor is turning, that is, the clutch is engaged. You might want a small flashlight and be aware of the engine fan...
  7. S

    AC issues

    Do you have the automatic climate control or old school with individual fan and temperature dials?
  8. S

    Brake problem in 2004 expedition

    I have something similar happening with my RV. No fluid/pressure to left front (driver’s side) but what’s different is that I still have a spongy pedal with braking action in the other wheels. I’m convinced it’s the dump valve for the left front hanging open in the ABS modulator. Before you...
  9. S

    After timing set, idle rough, then dies, no codes

    Are you getting live data from FORScan or FORScan Lite? Am curious as to what you’re seeing for advance error and anything related to cam timing. Sounds like you’ve covered that.
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    2004 EB 5.4 Stalling when cold P0320 & P0351-P0358 Can't find the short

    Exact same thing happened to me, that is misfire on #5 only, back in 2012 but it’s an ‘06 3V. It needed spark plugs, all were very worn.
  11. S

    AC Pressure Relief Valve woes

    Disregard my post, didn’t see that the condenser was replaced. Thanks—
  12. S

    AC Pressure Relief Valve woes

    If the condenser wasn’t replaced after the first compressor grenaded, replace it and all lines prior to the expansion valve or fixed orifice tube. Our condensers aren’t flush friendly—small passages unlike older ones that had finned tubes.
  13. S

    2005 Engine on a 2004 Nightmare!

    I'll assume an '05 engine harness went in with the engine. (I had a 2004 years ago, it was a 2V motor and I don't think a 3V was available in the Expedition that year.) Can't imagine an '04 PCM being capable of handling the 3V. There's so much more going on with the 3V--controlling phaser...
  14. S

    New to the forum - just bought an '06 XLT with 39k miles, saying hi!

    Congratulations! Yours is truly a find. I have an '06 XLT also, got it in 2012 with 70K miles in the Dallas, Texas area. At the time, I needed a kid and dog hauler. Did a country wide search for an XLT 4WD with a reasonable number of miles. I live in the Atlanta area and retrieved it from...
  15. S

    How many miles on your 2nd Gen Ford Expedition?

    Great post! Questions: Was the master cylinder failing or just a preemptive replacement? Ever had timing components replaced? I’m at 40K on Autolite spark plugs and they’ve been great but it’s time to replace. I did all things timing including roller followers and lash adjusters at 100K...
  16. S

    2nd gen vibrations

    Assuming it’s 4WD… Probably not a CV joint as the front half shafts shouldn’t be turning, unless the Integrated Wheel Ends (IWEs) are engaged due to a failure of some sort. If the ball joints are original, check them and every other attachment, including upper and lower control arm bushings...
  17. S

    Intake timing retarted to no oil pressure

    I’d drop the lower fan shroud and see if you can turn the engine over with a breaker bar and socket on the balancer bolt. That will be revealing.
  18. S

    Need new engine

    I recall Ford Tech Makuloco saying in one of his YouTube videos he uses Powertrain Products. To me, he’s the most knowledgeable and trustworthy out there. Nobody has a 100% perfect track record, including Jasper. I had a reman 4.9L Ford 6 cylinder from Titan years ago that almost instantly...
  19. S

    Intake timing retarted to no oil pressure

    The oil pressure gauge relies on a switch that senses somewhere near 10 psi. It’s either at 60% or 0. I wouldn’t worry about that because oil pumps are incredibly reliable. If you haven’t already, put a load tester on the battery and see what you get. No crank screams electric, regardless of...
  20. S

    03 4x4 Wheel hub replacement - brand recommendations?

    If Motorcraft isn't available--which I see on RockAuto they're not--then AC Delco. I replaced my 06's with Motorcraft and my second choice is AC Delco. I haven't been let down by AC Delco. Never again Moog for me, their control arms were garbage I got for my VW Passat.
  21. S

    AC Issue

    That’s for the 06 automatic climate control
  22. S

    AC Issue

  23. S

    AC Issue

    I have an 06 XLT now, last 11 years, manual climate control. No issues like the 04 EB.
  24. S

    AC Issue

    Long ago I had an 04 EB with automatic climate control and it would start to make a hissing-like sound with reduced and warm airflow after running for a while. I had to shut it down and wait, restart and it would work correctly. Did that when new. Never did figure it out. I suspected a...
  25. S

    AC Issue

    Manual or automatic climate control?

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