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  1. nimrod.sixty9

    Noisy IAC, No start; fuel, IAC, or?

    Exactly what I was thinking. Im going to start with unplugging just to see if that is the source of the noise. Can you gimmie specs on the laptop? Maybe I could get you some memory for it. Could help until you get the one you want.
  2. nimrod.sixty9

    Noisy IAC, No start; fuel, IAC, or?

    Maybe so, Im going to try and get a better recording. Wonder if it could cause a no start if it's stuck wide open or being told to stay wide open. Also, whats the specs on your laptop? Maybe I can help you out.
  3. nimrod.sixty9

    Noisy IAC, No start; fuel, IAC, or?

    Hell this is getting confusing. Being intermittent isnt going to help either :( Im going do another test on spark when I get home. I never noticed if the gear light was on, but looking at the first video, seems good to go. Also, I really dont think the IAC is making the noise. I swapped...
  4. nimrod.sixty9

    Noisy IAC, No start; fuel, IAC, or?

    Not sure what you mean by tranny indicator. Do explain. So the switch has two output circuits; one is crank which is working fine and another that is 'run' which could be the problem? Or a couple of wires coming from the PCM to CAM, ICM/Coil, and CPS? Could a bad relay of some sort...
  5. nimrod.sixty9

    Noisy IAC, No start; fuel, IAC, or?

    CPS is new and ICM /coil was switched between Tahoe and Yukon. What about CAM Sensor? Could you explain power supply issue and PCM? Why so damned intermittent? It's either perfect or nothing. And for the most part the issue only seems to be at starting; if it turns on, it runs and runs great...
  6. nimrod.sixty9

    Noisy IAC, No start; fuel, IAC, or?

    Well turns out the stupid spark plug tester was a waste of money. So tons of wasted attempts. So just decided to grab another plug and use jumper cables. Sparked without issue. And I just knew it would leave me on a hanger so I immediately decided to hook the wire back up and it fired right up...
  7. nimrod.sixty9

    2000 Tahoe Limited Lsx swap

    use.com
  8. nimrod.sixty9

    Noisy IAC, No start; fuel, IAC, or?

    Was easier to just swap throttle bodies. Noise stayed and issue stayed with Yukon. Had to call it quits before I could do another round of testing spark due to millions of blood sucking mosquitoes. Another day...
  9. nimrod.sixty9

    Noisy IAC, No start; fuel, IAC, or?

    Alright, will test tomorrow. Only code I had stored was post O2 on one CAT. Nothing else... How can I reset IAC if I cant get it to run LOL
  10. nimrod.sixty9

    Noisy IAC, No start; fuel, IAC, or?

    Err, forgot about return line :sorry: I can imagine the RPM comparison is when running, compare via OBD readout to gauge? Unless I missed it, how do I reset IAC? Another thing I find weird is that it works fine when it runs. This only happens during start. If it starts its good to go...
  11. nimrod.sixty9

    Noisy IAC, No start; fuel, IAC, or?

    That noise does not happen on either the Tahoe or Suburban and only started making that noise when I started having the issue. It also already had pressure, cant imagine that much sound if that were the case. Each time I tested for spark (from coil and random cyl) it was good, but could have...
  12. nimrod.sixty9

    Noisy IAC, No start; fuel, IAC, or?

    Reset procedure? Link? Uploading video now... EDIT: Vid with IAC noise, no start, and putter; https://www.youtube.com/watch?v=W7XKROSdw68&feature=youtu.be
  13. nimrod.sixty9

    Noisy IAC, No start; fuel, IAC, or?

    Well, I switched coil/ICM from my Hoe and the Hoe has been fine (been to Tampa and Palm Beach since). Going to change the IAC between them and see if any changes (still gotta wait for the charge tho).
  14. nimrod.sixty9

    Noisy IAC, No start; fuel, IAC, or?

    Finally got fuel pressure tester. Battery to weak to really turn it over but enough to get fuel pressure. First prime immediately gets 63+/- PSI and stayed after attempting to to start truck. Again tho, the issue had been random, so whose to say this time it could have been a start scenario...
  15. nimrod.sixty9

    Noisy IAC, No start; fuel, IAC, or?

    It's still there sun. Just pushed out of the way.
  16. nimrod.sixty9

    Noisy IAC, No start; fuel, IAC, or?

    Im still not convinced its the starter because there are times it turns and turns and turns, but the truck never runs. Its either instant start, or nothing. On the battery one point was a little loose and both were dirty. All good to go with same result. The one that goes over the pass...
  17. nimrod.sixty9

    Noisy IAC, No start; fuel, IAC, or?

    Took off cap and rotor, both were dirty; cleaned points with a Dremel wire wheel. Fired right up multiple times, told girl she can drive the truck to work the following day. Comes back in in the morning and wakes to tell me it's once again doing the same thing. Still 100% random...
  18. nimrod.sixty9

    Noisy IAC, No start; fuel, IAC, or?

    That explains it. Well, I was able to get out the remaining part of the CPS and installed the new one... Same result. It would turn and turn and no fire, just a blump here and there with the occasional kickback. It would at least start once and awhile but it got worse and worse up until it...
  19. nimrod.sixty9

    Noisy IAC, No start; fuel, IAC, or?

    Not really sure what to do atm. Thinking maybe taking a sized bit and weakening the plastic. Maybe pick at it with needle nose pliers. Damnit, wish someone would have mentioned this thing could break in half, I was just going to inspect it and now stuck. FML
  20. nimrod.sixty9

    Noisy IAC, No start; fuel, IAC, or?

    Well went to inspect the CPS and instead of coming out, the half in the motor stayed. Now how in the hell do I get the rest out?!
  21. nimrod.sixty9

    Noisy IAC, No start; fuel, IAC, or?

    Unfortunately I cant even get it to run now.
  22. nimrod.sixty9

    Noisy IAC, No start; fuel, IAC, or?

    Look at this TSB. This really makes me think this is it. Date: April, 2000 TECHNICAL Subject: No, Hard, or Slow Start, Backfire or "Kickback" During Crank/Start, "Grinding" or Unusual Noises During Crank, DTC P0338 (Replace Crankshaft Position Sensor) Models: 1999-2000 Cadillac Escalade...
  23. nimrod.sixty9

    Noisy IAC, No start; fuel, IAC, or?

    Wombats taste like chicken.
  24. nimrod.sixty9

    Noisy IAC, No start; fuel, IAC, or?

    Do you mean within the starter or elsewhere? Truck has been working fine since my last post; cept for the last three or so days. What I dont understand is that its already turned over enough times to actually run. Instead it may putter, spark here and there, or simply keep jumping with the...
  25. nimrod.sixty9

    Fuel gauge issue, where to find... and other Qs

    http://www.ebay.com/itm/301152221721?ssPageName=STRK:MEWAX:IT&_trksid=p3984.m1423.l2649 Thoughts?

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