Recent content by James Meyers

  1. J

    GEM or SHIFT RELAY

    Found cause for malfunction. Changed relay under dash board above radio. I noticed after pulling fuse # 5 and reinstalling, the relay was going spastic. Not sure what's inside but assuming contacts. Most likely burned. No way to service so I found a replacement on ebay. Working normally at this...
  2. J

    GEM or SHIFT RELAY

    Thank you for the prompt reply. All the way from the Philippines no less. Technology is great until we have issues with it. That's where I'm at with my expedition. Your info is very helpful. I will follow up with you on the results when I get the opportunity to work on the problem. At the...
  3. J

    GEM or SHIFT RELAY

    I know this has been kicked around on here before but, I have never read a definitive answer to my issue. I have a 97 EB all wheel drive. After loosing all of my transfer case selection options on the dash ( lights) I have no shifting of the transfer case. No codes are thrown. If I disconnect...
  4. J

    stumble/rough at light load 1500-2000 RPM

    Had similar problems with 97 5.4. After changing and testing many parts. Found the TPS to be the cause.
  5. J

    97 expedition 5.4 stumble at 1300 - 1500 rpm

    I am glad to announce that with the help from the guys on this forum that I have solved my problem. Received a new TPS today. After instalation and test driving confirm that was the culprit. I can't explain it but my fuel trim numbers are closer to being neutral than before. Idles and runs...
  6. J

    97 expedition 5.4 stumble at 1300 - 1500 rpm

    Latest update! Checked TPS as per one of your last post. Found a gap in signal going to the PCM. I'm hoping this cures my problem. Gap in throttle movement is near WOT. Stumble is lower in rpm range but still could be the culprit. Will keep you posted. Just ordered one from Rock Auto. Be here...
  7. J

    97 expedition 5.4 stumble at 1300 - 1500 rpm

    Thank you Mike. My 97 is the same as your 98. That is the link I've used to diagnose my system. Went through each step carefully on each device. Even double checked the backpressure transducer. Everything tests OK. That's what has me stumped. I keep going back to the ECM signal to the vacuum...
  8. J

    97 expedition 5.4 stumble at 1300 - 1500 rpm

    Sorry I missed your post Mike. I have removed the throttle body for inspection earlier when I found the faulty egr. Port is clear. Did a thorough cleaning of the throttle body at that time. I have done a lot of testing and checking before I ever posted on this forum. I am running out of ideas. I...
  9. J

    97 expedition 5.4 stumble at 1300 - 1500 rpm

    More info. For thought... Tested vac solenoid ohms. Looks good. Did vac test with tee in vac line while driving. My testing source said I should see 5 in vac under acceleration. Only have 3 in. vac. Not sure if it's a faulty solenoid or my Guage. Hate to sling more parts at it if I can narrow...
  10. J

    97 expedition 5.4 stumble at 1300 - 1500 rpm

    Hello again! Just did a thorough inspection of air intake ducting for leaks and connection status. It's in good health. Did test to confirm status of the MAF sensor.. The voltage and ground test are good. Voltage at operating temperature at idle is . 954. At 1500 and 2500 voltage is in spec...
  11. J

    97 expedition 5.4 stumble at 1300 - 1500 rpm

    Thanks Mike for the fast response. I will definitely try the MAF cleaning and get back to you. Have checked for vac leaks but not the air intake. Will add that to the list. Thanks again for your time.....
  12. J

    97 expedition 5.4 stumble at 1300 - 1500 rpm

    Engine stumbles when slowly accelerating. When I reach 1300 rpm egr valve lifts off its seat. Continues stumble thru until I reach 1500 rpm. Egr drops back on it seat and it smooths out. New egr. (Old one had a leaking diaphragm). New backpressure transducer. No codes are thrown. Ecm is...
  13. J

    Anybody in the Dallas area need a repair manual?

    Is this manual a genuine Ford manual or something like Haines? I would be interested if it's what I'm looking for.
  14. J

    New member just checking in.

    I'm jamone from South Texas. Happy to be on board.... Just another 97 ed Bauer. Bone stock
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