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Type: Posts; User: blindsquirrel

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  1. Replies
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    If you're talking about the E40, you cannot use a...

    If you're talking about the E40, you cannot use a sensor that calls for Linear of more than the hard limit of 256kpa. Sensor also must have a positive Offset. No workarounds to get past those two...
  2. Solved. Carter 'Muscle Car' series, M4685,...

    Solved. Carter 'Muscle Car' series, M4685, generic 2-line SBC pump. Advertised as 7psi, makes actual 7psi. No more flooding.
  3. The logic difference is between SPAL OEM fans &...

    The logic difference is between SPAL OEM fans & SPAL aftermarket fans. A non-GMPP ECM that has the ability to do PWM fan output will control the OEM fans just fine.
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    Gen3 specifics are outside my wheelhouse, but, as...

    Gen3 specifics are outside my wheelhouse, but, as long as this is a 24x/1x LS2, any Gen3 computer will run it just fine once the Gen3 components are bolted on.
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    2005 C6 has an E40 ECM, which doesn't use VVE and...

    2005 C6 has an E40 ECM, which doesn't use VVE and the MAP Linear limit of 256 means you can't just plug in numbers for a "3bar" sensor. That question upthread about the 2010 E38 really didn't belong...
  6. So use a '05 SSR (manual trans) operating system...

    So use a '05 SSR (manual trans) operating system (and SSR/Trailblazer/Envoy pedal). The E40 part isn't a problem at all. Your truck is a 'S/T' platform, guess what... an '05 SSR & Trailblazer are...
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    The fan itself will work without an AC input, it...

    The fan itself will work without an AC input, it only receives one PWM signal from the ECM. The ECM blends the output based on the two tables, ECT & AC Pressure. If the AC input is not present at the...
  8. The GTO is an odd duck in many aspects, as it's...

    The GTO is an odd duck in many aspects, as it's got Aussie-GM flavored network protocols and components, except for the bodged-in US-GM protocol ECM/TCM, and the two systems can only talk to each...
  9. Put both Abuse Mode tables back to stock, no need...

    Put both Abuse Mode tables back to stock, no need to change those unless you're planning to do some cool neutral drops at WOT.
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    I would jump in here but my info stops at 2009, I...

    I would jump in here but my info stops at 2009, I would just be guessing if I offered any specifics...

    So run through the charts for those codes. It has to be something obvious and detectable...
  11. MAF is failed wrong, that log shows no DTCs set...

    MAF is failed wrong, that log shows no DTCs set so it's not in SD which would go part of the way to explaining why massive changes to the VE are having less than the expected effect. MAF Fail...
  12. What fuel pump? Have you put a mechanical gauge...

    What fuel pump? Have you put a mechanical gauge on it you can watch while driving?

    I don't even know where to start listing stuff that's wrong in that tune though.
  13. So you're saying you've eliminated the ECM (tried...

    So you're saying you've eliminated the ECM (tried 2 different ones), the pedal (3 different), verified all wiring is good, but you still get an intermittent no-low-ref supplied to APP1? Does that...
  14. No, actually... the jumpers WILL eliminate the...

    No, actually... the jumpers WILL eliminate the PCM connector as the cause, since it's the APP1/2 that need to see the lo ref, not the ECM pins. Have you inspected the pin fit at the APP connector?...
  15. Like I said, jumper(s) in either of those...

    Like I said, jumper(s) in either of those locations won't bypass a loose connector at pins APP A/F or ECM X1 23/30. It only verifies integrity of the wiring (and any inline connectors, if present) in...
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    Rockauto is showing different Service Numbers for...

    Rockauto is showing different Service Numbers for V6 & V8 '03 Silverados (4.3 Silverado and 4.3 S10 use the same one, 12576106). If they were compatible there would just be one Service Number for all...
  17. Whatever is wrong with the throttle is causing...

    Whatever is wrong with the throttle is causing the no-start. Ignore everything else until you can get the pedal to control the TB with key-on.
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    I have seen something similar. At the dealership...

    I have seen something similar. At the dealership there was a brand spanking new HHR that tripped a P0171 after lot-idling.

    All the data looked perfectly normal, except at idle the trims would...
  19. A jumper at either J1 or J2 will tell you if this...

    A jumper at either J1 or J2 will tell you if this is a harness problem, or an APP connector problem. If it still happens with a jumper in either location, it's either the APP connector or something...
  20. Well shit! I saw 'serial' in the pinout list and...

    Well shit! I saw 'serial' in the pinout list and 'data communications' in the diagrams, and assumed they said what they meant and meant what they said. But noooo, that would be too easy!
  21. Some codes, the changes don't 'stick' if you do...

    Some codes, the changes don't 'stick' if you do it like you do other changes, just clicking the save button in the toolbar and assuming it's good. Make your changes, close all open windows/dialog...
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    This is the one with the V6 tune that's had V8...

    This is the one with the V6 tune that's had V8 segments swapped into it, isn't it? Still not sure that's ever going to work right.
  23. OK I lied. I'm slow sometimes. ...THEN, if it...

    OK I lied. I'm slow sometimes.

    ...THEN, if it still flakes out with the jumper in place, I'd be very suspicious I had a bad ECM, but only because I'd know I had eliminated everything else.
  24. Last one, I promise: If this thing were in...

    Last one, I promise:

    If this thing were in front of me, and I couldn't wiggle and get it to replicate the open circuit while parked, I would patch in a temporary jumper between ECM X1 #30 & APP...
  25. And don't worry about the fuel pump right now,...

    And don't worry about the fuel pump right now, that's probably the ECM shutting the pump off when it sees the throttle fault. It's a symptom of the initial problem and not something that can be fixed...
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