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Recent content by mustang_gt_350

  1. M

    Downshifting issues, tps related?

    Alright. I finally got the 96 on the road (engine, trans, tcase all from a 98) I took it for a longer drive after dumping some fresh gas into it. It it shifting up fine while accelerating. But when Its in 3 and I let off the throttle and down shifts into 2, and when i have it in OD it down...
  2. M

    Unstable RPM's when on throttle, and idle

    I'm leaning towards a PCM issue. I just took it for a beating on the road this eve for 3-4 miles. With the converter locked in 3rd if i slowly roll into the throttle just hard enough until reaching wide open to keep it from unlocking it doesn't sputter miss or anything, so its not a fuel volume...
  3. M

    Unstable RPM's when on throttle, and idle

    Thanks for the reply. I will give that a shot. Its just odd that for a few minutes its fine, and then its all rough and unstable. I bet the IAC opening is trying to make up for the missing cylinders by letting the good ones eat. . I'm not sure that it could be fuel as the one small trip i...
  4. M

    4.0 trashed idol/stalling issue

    Just wondering what you found out? I noticed something in the video. When you had your phone near the air filter box the suction noise seamed excessive. The only reason i mention that is I have a jeep project that is doing what looks to be the same thing. I noticed with mine when it is idling...
  5. M

    Unstable RPM's when on throttle, and idle

    Ok. This morning i installed the battery into it again and fired it up. It ran ok for about 1-2 minutes while i went into the house and i could hear it surging trying to keep idling. It dips and then revs, and contiues that cycle for a little then it will settle into a very cammed up engine...
  6. M

    Unstable RPM's when on throttle, and idle

    Just wanted to post an update. I checked the TPS today. It looked smooth the whole way through. So I pulled the Front O2 to see if it was causing the problem. did'nt help. SO i started to pull injector plugs as it was at idle and playing with the throttle a little to see if i could figure out...
  7. M

    Unstable RPM's when on throttle, and idle

    I just wanted to post to see what everyone thinks i should check. I'm leaning towards the TPS, or a fuel issue. Here is a video of what it does when the throttle is very slowly applied until all of a sudden it takes off. It acts just like a carb that its idle circuits are clogged up making...
  8. M

    engine dies when heat/ac is turned on?

    On my 96 that i had problems with That is where Pins A31, A32 ground. Just throwing out something for him to check since it looks like most everything else has been looked at.
  9. M

    engine dies when heat/ac is turned on?

    Have you checked the grounds on the rear of the engine block on the passenger side. They ground right where the dipstick mounts.
  10. M

    99 to 96 engine brackets

    ok. I tried searching a little but didn't have much luck. I did notice that the 2 waterpumps i have, one laying in the parts box that came in the 96 and the one that is still on the block from the 99 has different hights. Meaning distance from block surface to pulley face. I found a post in...
  11. M

    99 to 96 engine brackets

    Alright, before i start to put the alternator, power steering pump and so on back on this project what all can be used from the 99 into the 96? I have a complete 99 tcase,trans,engine sitting in the 96 now. I have not hooked anything up other than the fuel rail,and starter.( just enough to...
  12. M

    96 fuel pump issue

    Chased the grouning circuit for the fuel pump relay around last evening/night. Ended up following it back to C19 and grounding it there and it would trip the relay, so i OHM'ed the wire from the socket to the plug and it was fine. Looked at the PCM pintout and saw it had 2 grounding pins (A31...
  13. M

    96 fuel pump issue

    Reverse the readings for all 85 and 86. Had a dyslexic moment.
  14. M

    96 fuel pump issue

    I'm asking because i thought maybe someone would have had an issue similar to mine and could lead me in a general area to check. But i forgot the reason for a forum is so everyone searches, and never starts new posts to ask questions, so it can die... I don't know why your having an attitude...
  15. M

    96 fuel pump issue

    What do you mean when you say swap everything? I have the 99's engine, trans, in the 96 now. I haven't put the tcase in as i want to get the other issues figured out before i waste time assembling the whole thing and need to remove it just to get to something else to fix the problems.
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