ok so seems like everyone i know their car is rich at idle, well all the fuel injector flow numbers inthe pcm are for 58 kpa all the way across from what i see. on my car i noticed that idle is about 62 kpa which means the car flows more fuel but the computer thinks its flowing less. so i run rich at idle

if we adjust the IFR consistent with the rail pressure would that not help out the rich idle problems and make tuning a little easier?

 

i see as the vacuum goes up the flow rate goes up, is that due to the suction? because from the calculations i see the fuel rail pressure is considered constant but it isnt. i may be wrong so let me know if i am

 

as vac increases the injectors flow more fuel.

 

yeah i saw that last night, the suction of it, but it doesnt accomidate for the higher rail pressure which also flows more fuel. im gonna rescale for the right pressures today