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Thread: 04 silverado 416 with 2000cc injectors, no IDC, pw, or scanner control

  1. 11-18-2016 #1
    Raddtadd
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    04 silverado 416 with 2000cc injectors, no IDC, pw, or scanner control

    I have an lsx 416 with a p59 ecu in my 04 silverado and recently I installed some 2000cc injectors.

    On the dyno I noticed that no matter what I don't get any injector duty cycle or pulsewidth data in the scanner and also if I try to turn any of the injectors off thru the scanner nothing happens.

    Does it have something to do with the size of the injectors? Didn't have this problem with my old 1000cc ones.
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  2. 11-18-2016 #2
    2xLS1
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    IDC is just a math calculation. If you are logging RPM and IPW it will calculate the IDC. What do you mean turn off injectors through the scanner? With the cylinder balance test?
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