I just ordered the MegaSquirt ECU for some tuning this summer :) Also upgrading the Fuel injectors and fuel pump. The injectors I ordered are the 650cc FIC Mazda Miata Injector Set (High-Z). Fuel pump is Walbaro 225LPH.

Really rotten let me know how you like the megasquirt! I'm on hold for mods for a while just spent alot on the car lol. CEL is gone no codes in ecu must have been damn gas cap!:) Did you look up the production # of your car? Mine is #40 pretty cool to me that its so low most I've seen are in the thousands.

Yup! Mine is the 3,683rd made. Production date 5-21-2004.