ECU ( Computer )

Does the ECU automatically adjust to your driving style noticed my MPG slipped some and I have been driving it a little harder than normal, started to keep the rpm's as close to below 2000 as possible wondering if the computer will adjust to that 2K driving style.

 

I'm having a hard time understanding your question. Your ECU adjusts spark timing, fuel timing, fuel pressure, shifting, and a whole bunch of other stuff according to load on the engine. Will this equal better gas mileage? A little. I have benn trying this for awhile and I still have yet to see above 16 mpg. Granted I have a 3.4 liter

 

Winter gas blend can lower MPG.

 

Your ECU does adjust but based on what parameters, Im not sure.