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Go back and re-read the guide. It states the first time you need to be connected to the truck, not only the obdII but you need to hit the green connect icon. Next if you are trying to read data you...

I don't think it's a big issue, I've got one tune that does it all. In fact I can even let my wife drive the truck in the rain and I don't have to worry about, "ending up in a roadside ditch". Can't...

Thanks guys for the answer, I will keep an eye on it and log it a few more times and see. Got my new tune with some added fuel toady time to go for a ride!

Thanks Gordon, got to say maybe because I'm a Former Marine, I'm still a little confused as to what number EFI shows vs what number it is in the truck. As it seems it may be in the firing order or it...

Hey fellas got around to checking out my injector balance rates at idle. I have 4 good ones, then #3 averages +3.2 and #5 averages -2.0.

What # do you start becoming concerned? I think I read +-4...

Very nice Gordon! Les just sent me my TEST tune. Wow I am impressed I dont know what took me so long to make the switch.