Recent content by jr1under

  1. jr1under

    Suspicious: shop replaced hub assembly, now says bearings need replacing

    Update: 16+ months since this incident, the truck hasn't shown the slightest indication of a problem with the hub/bearings. Reflecting upon the details, that was a really clumsy scam attempt!
  2. jr1under

    AC problems

    What if it sits outside for a few hours on an overcast day? Just wondering if the problem is the sun or the outside. Have you ever checked exactly how long it takes for the AC to kick on? If it's a consistent amount of time, maybe that's a clue.
  3. jr1under

    2001 Expy new problem

    Knowing all you've done to it and how it's been maintained, I'd buy it if I needed another one.
  4. jr1under

    Possible to add updated sensors to a Gen 1?

    FORScan doesn't support programming Gen1's, mainly because the PCM architecture and datacomm protocol aren't the same as what's been used from Gen2 onward. That's how I interpret grok's opinion on the subject. But if you can get a sensor with a dedicated meter, couldn't you bypass the PCM...
  5. jr1under

    PO500 story continues with new twist

    Considering all you've done, do you think there's more than one issue? Yours sounds like one of those airplane disaster documentaries where the crash comes from an unlikely combination of problems, none of which were unsolvable on their own.
  6. jr1under

    Anyone using the Scan Gauge 3 by Linear Logic in a Gen 1 Expedition???

    If you have an iPhone or iPad and a compatible scanner, FORScan Lite will read those and a lot more. Picture is of some of the transmission PID's that can be monitored.
  7. jr1under

    Possible to add updated sensors to a Gen 1?

    Just idle speculation...seems that monitoring FRP on a Gen1 would require a pressure sensor on the fuel rail test port with a wired connection to the PCM. The sensor's output would be in an electrical format the PCM can handle - resistance, voltage, digital, whatever. Then the PCM has to be...
  8. jr1under

    FORSCAN mods?

    Apparently, FRP isn't scannable for Gen1's because they don't have a sensor for it.
  9. jr1under

    PO500 story continues with new twist

    Does this post from AWAR show anything that you're looking for? https://www.expeditionforum.com/threads/why-wont-it-start.60117/#post-544563
  10. jr1under

    PO500 story continues with new twist

    Are you talking about this box?
  11. jr1under

    Loosing VSS signal causing speedometer non-op and shifting issues

    For years, my odometer has occasionally gone dark and what I've read about it points to failed solder joints as a likely suspect. Sometimes the odometer relights while driving but usually doesn't come back on until after a restart. I've always considered it an ignorable problem mainly because of...
  12. jr1under

    Loosing VSS signal causing speedometer non-op and shifting issues

    It's always seemed that a flaky GEM is somehow involved with this behavior. Easy observation but what's flaking it out...? A while back, there was a comment something like "maintaining 25 year old vehicles is not for the easily discouraged." You are definitely not easily discouraged and I've...
  13. jr1under

    2001 Expy new problem

    At one time you were going to sell it, guess you changed your mind. What's going on with it now?
  14. jr1under

    FORSCAN mods?

    Probably a dumb answer. I don't have a PC but started using FORScan Lite on an iPhone several months ago, never realized so much data was available for a Gen1. More data, in fact, than I know what to do with. However, the Lite version "lacks the deep vehicle programming and "as-built"...
  15. jr1under

    Door Ajar sensors

    Obviously the shop disconnected the battery at some point...does it always take x amount of miles or trips or time before the P0500 comes back? Would you gain any useful info from clearing codes, doing a power reset, and keeping track of what happens until the code reappears?
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