Hey guys,

As most of you know, without MAT input the car would run lean during cold weather and rich during hot weather, so the MS3 has a MAT fuel correction curve based on the ideal gas law. Nothing in reality ever matches ideal gas law conditions My car was acting the opposite of a car with no temperature correction, rich when driving in cool weather and lean when driving in hot weather.

Has anyone made a curve that works well with real world conditions? I am fiddling with mine day by day but if somebody has already perfected it please post up!

Thanks,

Keith

 

Because the air is cooler than the heat-soaked sensor; so sensor go hey its hot run less fuel while there is actually more air available hence lean. https://www.miataturbo.net/megasquir...-starts-79109/


[edit] upon rereading your post I'm not sure this applies and I don't have another answer for you.