You have a very steep learning curve ahead of you. At this point if you want your car to run ASAP, I suggest finding someone local that is familiar with the Megasquirt system to tune it for you, or buckle down and expect your car to be down for a little while.

As I mentioned earlier, read this: http://msextra.com/doc/ms2extra/MS2-Extra_Tuning_Manual.html thoroughly. I am not saying this to be condescending, but if you do not know the differences between high/low impedance injectors of or measurements of kpa, you need to read, read, read.

Where did you buy your MSII? Did you personally wire it up? How did you wire up the IAC? Does it have the 420a modifications necessary?

I have the impression that you have expectations of the MSII unit to be rather plug-n-play, when it is far from that. Every car is unique and takes fine tuning. Even another Eclipse with same mods would not behave identically with the same tuning file.

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2012 2500HD LML