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Is the Wait To Start light coming on right away with ignition key? You might have a failing ECM caused from excessive AC noise from bad diodes. Also could be a damaged PSG unit on the VP44 from the sa
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your high idle issue sounds exactly like hwa thappens if you have factory high idle and you try to use the quad high idle. I would test to see if you have factory high idle using this article
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we will know for sure if you use the resistor on the IAT plug.
I have two issues with my quadzilla v2 right now
the first is as soon as high idle turns on it kills my truck and I have to un plug the batteries to get the ecm to trigger the lift pump. The ecm only will put out 4 volts after the truck dies. But will run fine for days if I don't use high idle. My tuck is bassicly bone stock with a airdog 150. If truck is completely warm high idle will work. also no check engine light.
Second issue is in first gear the truck will sound like it's missing and spit White smoke. This only happens in first gear leaving from a stop at any power level over 2. It doesn't happen if im on sock level or if Ieave in 2nd gear.