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Well, there are only 4 connections to the MPGuiono. The VSS, the Injector pulse, the +12V, and the Ground. You are building a VSS that (I think) should have a consistent signal with what our cars are seeing, so that should be good. The +12V and Ground are easy, so no problem there.
The question will lie in how the Injector pulse is different. It's been a few years since I built mine, and a couple years since I have used it, so my memory of how it worked and such may be a bit foggy. I think the injector was sending a +5V signal (may have been +12V?), so this may need changed. It was also a pulse, as in a square "wave" input, where we were able to adjust (post process) for a triangular front and back (since you will never be able to get a true square input). I don't know how yours works, but if you get a nice square output from your flow sensors, without a variable peak height or anything like that, you may be good to just use the code as is, and just modify the same inputs that everyone else had to modify to get the MPGuino to work with their individual automobiles. It would be easy enough to just try it out and see how it goes.
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