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    Never mind, I found them. All I had to do was...

    Never mind, I found them. All I had to do was look a little further down the link @dave w posted, duh!
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    I know this is an old thread but it seems...

    I know this is an old thread but it seems appropriate instead of starting a new one. I'm helping a friend troubleshooting his 90 454SS C1500. He has the 1228747 and I can't find the corresponding...
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    Sounds like one gauge is set at Fahrenheit and...

    Sounds like one gauge is set at Fahrenheit and the other is Celsius. You should be able to set the warning threshold in there too.
  4. Thanks guys, makes sense to me now.

    Thanks guys, makes sense to me now.
  5. Thanks for that info. Battery voltage is what...

    Thanks for that info. Battery voltage is what it's showing now? Why is it ~23, is there a scalar for that somewhere?
  6. Newer Definition file for 8625 $E6?

    Does anyone have a newer adx file for the 8625 PCM? These 2 look funny when playing back a log in TP v5. The KRs stay over 23* during the entire log???
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    Some folks there went with the EBL Flash from...

    Some folks there went with the EBL Flash from DynamicEFI.com (I did on my 88 C1500). There's a thread dedicated to it (94 pages so far since '06).
    ...
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    Welcome - what part of NoCal are you from? ...

    Welcome - what part of NoCal are you from? There's lots of good info here. I don't know if you're aware of this other forum dedicated to your era car.

    https://www.thirdgen.org/
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    OK, my bad - I missed that.

    OK, my bad - I missed that.
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    If the minimum idle wasn't set 1st the IAC may be...

    If the minimum idle wasn't set 1st the IAC may be already bad.



    You may get bit if you don't...
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    The confusion is "minimum idle" - when you set...

    The confusion is "minimum idle" - when you set minimum idle you set it by adjusting idle with the throttle blade stop screw (with IAC bypassed) to 125RPm below target idle. If you don't you'll burn...
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    Check your grounds to D1 and A12. On one of the...

    Check your grounds to D1 and A12. On one of the electrical service manuals (can't remember which one) for a GMT400 truck it said high idle can result due to a bad ground there.
    ...
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    I don't know if this is it but I was have issues...

    I don't know if this is it but I was have issues with surging and Kcs, it turned out the ICM module (only a couple thousand miles on it) was wigging out and the ECM thought it was seeing higher RPM...
  14. No, 1 injector @ 50% DC is fueling 1/2 of the...

    No, 1 injector @ 50% DC is fueling 1/2 of the cylinders, 2 injectors are fueling ALL of the cylinders so (in sync mode), you're at 50% DC.


    That's what I have - when my engine was running 109% DC...
  15. It seems to me it doesn't matter since these...

    It seems to me it doesn't matter since these injectors are running synchronous so, 50% for one would be 50% for the other. Or am I looking at this wrong?

    Here's how it's calculated in the EBL...
  16. WOW, nice catch! :rockon: Which brand is which?

    WOW, nice catch! :rockon: Which brand is which?
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    Unbelievable! I put in the AC Delco ICM with the...

    Unbelievable! I put in the AC Delco ICM with the MX-4 compound, dielectric silicone on the connectors and it runs GREAT!!! I thought I was getting a high quality distributor but, after 3,000...
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    I got this spring from ebay, and running @ 28PSI...

    I got this spring from ebay, and running @ 28PSI with the adjuster barely turned in. I think it's from a 95-96 7.4L, so this may not help unless you go higher than you mentioned....
  19. Probably, maybe someone else can help you with...

    Probably, maybe someone else can help you with the right adx file?
  20. Go to Acquisition/Show Data List then click on...

    Go to Acquisition/Show Data List then click on the drop down box there and select "Error Codes"
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    Good you found them. I just couldn't believe I...

    Good you found them. I just couldn't believe I could buy them for $1.42 ea plus free shipping and, I have the Prime credit card so, I get 5% cash back, LOL.
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    Just got mine today... ...

    Just got mine today...

    https://www.amazon.com/s?k=R42LTS&ref=nb_sb_noss
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    Welcome, lots of good info here.:welcome2: How...

    Welcome, lots of good info here.:welcome2: How about some more info; engine, trans, ECM...
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    Good to hear you got it going. I don't know if...

    Good to hear you got it going. I don't know if you have seen this, it explains a lot...

    http://www.tvmadeez.com/article/index.php
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    Thanks guys! I ordered the MX-4 and the AC Delco...

    Thanks guys! I ordered the MX-4 and the AC Delco 19179580 (ADO-1984A Summit Racing PN) ICM. It'll be a couple weeks before I get to it but I'll post the results.
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