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  1. Replies
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    Thanks Steveo. You're the man.

    Thanks Steveo. You're the man.
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    Trouble uploading new bin LT1

    I have a 94 LT1 that has been transplanted into a 95 K2500. Was originally trying to run the engine off the LT1 pcm and the trans off the truck pcm. Ran into some issues.
    I've since rewired the...
  3. Thread: LT1 High Idle

    by ReidB
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    21,180

    You're 2 for 2!

    You're 2 for 2!
  4. Thread: LT1 High Idle

    by ReidB
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    21,180

    Still have dead oil press, temp, fuel gauges. ...

    Still have dead oil press, temp, fuel gauges. Strange, seems like they are all hardwired but the circuitry on the cluster disappears into a black hole. Totally confused. Seems like it should be...
  5. Thread: LT1 High Idle

    by ReidB
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    21,180

    Didn't let it run up to hot but running 4-8...

    Didn't let it run up to hot but running 4-8 counts at 560-600rpm, 150deg F. Hasn't been down the road yet. Sounds good but smells rich. Showing AFR 14.2, O2s 448/457, injectors 3.1. Need to get off...
  6. Thread: LT1 High Idle

    by ReidB
    Replies
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    21,180

    Thanks guys. I checked for vacuum leaks with...

    Thanks guys. I checked for vacuum leaks with carb cleaner, hard to get good feel with the high rpm. Pumped intake full of smoke (finally a good use for a year old cigar) no leaks. Replaced IAC,...
  7. Thread: LT1 High Idle

    by ReidB
    Replies
    27
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    21,180

    Another question... Is there a way to reset the...

    Another question...
    Is there a way to reset the IAC pintle depth? Mine is staying open at 0 counts. Enough to maintain 1600 idle. Cover the IAC port and idle comes right down.
  8. Thread: LT1 High Idle

    by ReidB
    Replies
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    21,180

    Thanks Steveo. I thought I had toggled a flag or...

    Thanks Steveo. I thought I had toggled a flag or two. Will give it another try.
  9. Thread: LT1 High Idle

    by ReidB
    Replies
    27
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    21,180

    OK quick update... Installed a new TPS, BWD unit,...

    OK quick update... Installed a new TPS, BWD unit, US made, worked great. Disconnected all interconnections between the ECM and TCM. Fired right up, sounded pretty good, idle will only go down to...
  10. Thread: LT1 High Idle

    by ReidB
    Replies
    27
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    21,180

    My harness is definitely a work in...

    My harness is definitely a work in progess:yikes:. I haven't directly (or purposely) grounded any dedicated grounds or left any bolted grounds to float. I'm retaining the truck's PCM as a TCM to...
  11. Thread: LT1 High Idle

    by ReidB
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    21,180

    True, none of the parts are manufactured by the...

    True, none of the parts are manufactured by the parts stores. But the part I bought was from China and would not sweep voltage in line with the specifications. I read 0.48V with plates closed, 3.0V...
  12. Thread: LT1 High Idle

    by ReidB
    Replies
    27
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    21,180

    I'll have to separate the control wiring from...

    I'll have to separate the control wiring from plug wires like 91ss suggested.
    Need to reset tps and see if i can get it to settle down. I couldn't get pintle to control before i found vacuum leak....
  13. Thread: LT1 High Idle

    by ReidB
    Replies
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    21,180

    Makes sense that it doesn't want to idle with the...

    Makes sense that it doesn't want to idle with the 1.5% tps. The blades close fully. They held carb cleaner on benchtop.
    Graphing tps voltage is awesome. Didn't know it could. Multimeter swept 0.56...
  14. Thread: LT1 High Idle

    by ReidB
    Replies
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    21,180

    The tps is an oreilly pos. Got it to learn 0 but...

    The tps is an oreilly pos. Got it to learn 0 but it only reads 77% @ wot. Taking it back tomorrow.
  15. Thread: LT1 High Idle

    by ReidB
    Replies
    27
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    21,180

    It was cold. Ran a few min. Didn't get any better...

    It was cold. Ran a few min. Didn't get any better as it warmed up. I forced closed loop it started to settle down then the injector pw hit 9.5 and had to shut it down.
  16. Thread: LT1 High Idle

    by ReidB
    Replies
    27
    Views
    21,180

    Here's a screenshot of the data. Thank you for...

    Here's a screenshot of the data. Thank you for looking.
  17. Thread: LT1 High Idle

    by ReidB
    Replies
    27
    Views
    21,180

    Yep, that elbow was split. Already plugged up. I...

    Yep, that elbow was split. Already plugged up. I think it may be the iac but Im getting tired of throwing parts at it without being sure. $$ I can get idle down by partially covering the triangular...
  18. Thread: LT1 High Idle

    by ReidB
    Replies
    27
    Views
    21,180

    Good point. Thanks.

    Good point. Thanks.
  19. Thread: LT1 High Idle

    by ReidB
    Replies
    27
    Views
    21,180

    LT1 High Idle

    Hello.
    OK, so I'm a noob from the land of carbs. As some of you know, I have a 94 CAD LT1 transplanted into a 95 K2500. Nothing fancy, just trying to sort out everything.
    Having issues with trying...
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    Tests fine on voltmeter. Voltage appeara to vary...

    Tests fine on voltmeter. Voltage appeara to vary linearly, ohms are within spec. Whole different picture thru pcm. Blips between 0 and 31%. IAT was also drifting all over the place. Iat tests bad....
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    Very cool tool Steevo! Thank you. I'm working...

    Very cool tool Steevo! Thank you. I'm working with a 94 Fleetwood PCM. Connectivity seems very stable. I am having issues with my TPS fluctuating back and forth from 0 to 31%. Not sure what to...
  22. Thought I would close this post... I finally...

    Thought I would close this post...
    I finally established communication with my PCM. It has taken me forever, but life happens and my Project doesn't always make the todo list. Here are a few...
  23. Rare error... just my luck. Can vats block...

    Rare error... just my luck. Can vats block communications with the ECM? I just disconnected the battery, reset the ECM and finally got TunerPro to connect the ALDL. Fired up EEhack and no such...
  24. just pasted and sent verbose debug...

    just pasted and sent verbose debug...
  25. Loading Definition DEVICE=0xF4 MSG=0x0Loading...

    Loading Definition DEVICE=0xF4 MSG=0x0Loading Definition DEVICE=0xF4 MSG=0x1
    Loading Definition DEVICE=0xF4 MSG=0x2
    Loading Definition DEVICE=0xF4 MSG=0x3
    Loading Definition DEVICE=0xF4 MSG=0x4...
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