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  1. I

    issue with coolant temp sensor.

    Solved, bad part number. Thx. the good one F65F10884AA
  2. I

    issue with coolant temp sensor.

    Hello everyone, yesterday I change my coolant temp. sensor (Expy 1998 eb 5.4) because my rpms go up and down, the problem was the temp sensor, it changes de temp from 192 to -40 and when the computer reads -40 the rpms go up in order to warm up, and an error code was coolant temp. sensor high...
  3. I

    Transmition maintenance question

    How often can I do this? change the oil in the pan only, as maintenance. Thx
  4. I

    Transmition maintenance question

    Thanks to all, the transmission is E40D (label on the door) and the fluid say Mercon ATF. I will buy 6 qr and change the oil today. I appreciate a lot all your comments and help, thanks a lot.
  5. I

    Transmition maintenance question

    Thats all what I need, I really appreciate your comments and help. Thx a lot I will do that this weekend
  6. I

    Transmition maintenance question

    So the user manual bye bye hahaha, and change the oil for Mercon V? which is the difference between one oil and the other? How can I be sure if my transmission is E40D use Mercon V insted Mercon? I read the transmission of 4.7 and 5.4 are different, and 4.7 is 4x2 not 4x4
  7. I

    Transmition maintenance question

    The fluid for the 4x4 (5.4L EB) in the user manual say E40D (4x4) 16.4 quarts Motorcraft Mercon ATF, not Mercon V The mercon V is for 4R70W 4x2 4.7L engine. (in the user manual) So in summary: 1.- Drain the oil (just open the pan, not flush or anything else) 2.- Change all the oil with...
  8. I

    Transmition maintenance question

    most of them are highway miles, so if I refill the trans with new oil (correct fluid) this can help to improve the operation? or extend a little more the life of the trans? The refill only with oil or also some kind of additive like the lucas trans fix? Thanks a lot to all
  9. I

    Transmition maintenance question

    So if I only drain the oild without flush it, and replace with new ATF fluid, the transmission will work ok? or there is a chance of fail?. I want to extend the life and if I can improve its operation or performance will be great. I saw in autozone some oil additives like one from lucas...
  10. I

    Transmition maintenance question

    283k miles, the oil if I take a sample from (engine side-filling place) it looks like a dark red-brown color.
  11. I

    Transmition maintenance question

    Hello, I have a doubt about the transmission maintenance, in Mexico most people do not care about the maintenance because they have the idea "while work not maintenance need it, or fix", so when I buy my expy (1998 eb 5.4) and I use the scanner many sensors, coils and other stuff need...
  12. I

    Help with ECT problem please

    Hello everyone, again I need your help and experience. Recently I scan my expy 98 eb 5.4 because a error P0118 code, so I change the ECT sensor, twice, because I tought that maybe the first sensor was bad, so I request a change and I install another new one ECT, but the temp gauge is not working...
  13. I

    Issue with Expy 1998 eb 5.4, low rpm

    I have an issue with my expy 1998, when I start the engine (cold, first time on that day), it start at low rpm (400-500) but after a couple of mins it change to normal rpm, change from 400 to 650-700, this only happend once a day, only the first time I use it, and then if I turn off and turn on...
  14. I

    Catalytic converter issue

    cat issue fixed today... next step, scan again
  15. I

    Catalytic converter issue

    Hello everyone, I have a question, if the catalytic converter overheats and for this a fissure appears in the shield or in the pipe a litle before or after the cat body, is possible this may cause the error codes for OS2 sensors after and before the cat?, I have the OS2 error of bank 1, sensor 1...
  16. I

    Ignition Coil test

    Thanks for your advice, I will check that asap.
  17. I

    Ignition Coil test

    Hello guys, is there a way for test the ignition coils in a Expy 1998 5.4? I have a 305 code (cylinder 5) but for be sure what is the problem I want to know if some one know any method for test the coil pack (ohms, volts, etc) if the coil pack is ok, could be the spark plug or even the conector...
  18. I

    Help with noise. is a cv joint?

    Hello everyone. Again asking for your help, now with a noise coming from the front tire (driver side) I think, is like a metalic noise (like nocking) and only can hear it at low speed (under 15mph aprox). I record the noise if some one can hear it and identify the sound, I'm not sure if is a cv...
  19. I

    Urgent Help with expy 98

    Thanks to all :)
  20. I

    Urgent Help with expy 98

    I really appreaciate a lot the help of all of you, I learn more thanks to you, and I found the problem, thanks to stamp11127 I check the ignition switch and I found a cutted wires from ignition switch going to an aditional alarm brain, maybe the previus owner install it and when I buy it he...
  21. I

    Urgent Help with expy 98

    Alternator test pased. Tomorrow I will check connectors in gas pump and the ignition switch. I will keep you informed. Thanks to all. For today I think is all.
  22. I

    Urgent Help with expy 98

    For oil gas lights I mean the yellow low fuel warning light and the oil/temp warning light, the pressure gauge is ok, and also the fuel gauge. This lights flash for one or two times before shutdown. The battery charge is ok, 14 running and 12.4 turned off, but but 3 times where it shutdown...
  23. I

    Urgent Help with expy 98

    The alternator was fixed the last year, there is a way for check if the alternator is ok? The only lights flashing and just one or two times are oil and gas, at same time, after that the truck turn off .
  24. I

    Urgent Help with expy 98

    was to fast for say "problem fixed" after driving 15mins aprox. the truck stop again, I really don't know what could be, I don't have error codes in the scanner, the fuel filter is new, no leaks, all fuses ok, how can I know if the fuel pump is the problem? and in autozone there is 2 options...
  25. I

    Urgent Help with expy 98

    Thanks to all for your answers, the scanners results was no codes, it's fine, and the guy told me that maybe could be wather on the tank, I buy a fuel system cleaner (rislone) in autozone and I put in the tank, until now I don't have any failure, but I don't know if this problem could be caused...

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