Quote:
Originally Posted by ILLegit420aT
Recently deciding to purchase mega squirt, and not quite sure what is necesary for my engine setup all of my sensors seem to be good but im not sure where my iat is, i think it is possibly deleted in which case i would want to purchase the iat from diyautotune.com. I was also not able to find much on running only the MSnS without the stock ecu and still having function of your DLC under dash and inspection and everything...just looking for some solid advise before making final purchases 
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The IAT is on the back of the intake manifold near the passenger's side. All of your stock sensors will work with Megasquirt except for the IAT and CLT. There is a way to configure Megasquirt for the stock IAT/CLT but it's not worth the trouble.
There are a few threads on the 2GNT about running MS as a full standalone with no stock ECU at all. Most of the stock dash gauges are hardwired to their own sensors, so only the tachometer and maybe one or two idiot lights won't work. Of course, there are work-arounds as Megasquirt allows you to output a tach signal, etc..
DIYAutotune is a really great company, but I suggest looking into purchasing your unit from a company better versed with the 420A/Neon setup. They should be able to configure your unit completely so you won't have to make any hardware modifications as you would with a "universal" box (i.e. no 420A modifications).