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so how would this apply to hp tuners. or will this only be for after market ecms
if able to apply on Hp tuner under what tab would this fall under. I noticed I do a lot of chasing
In HPTuners, most ECU/PCMs have a tab for Fuel under the Engine section. In general everything that can change the amount of fuel delivered is under there.
On cars with a MAF (Mass Air Flow) sensor, you often just need to calibrate the MAF to get the desired amount of fuel delivered. The Fuel tab will just control what the target AFR / EQ Ratio or Lambda value is desired, or how it is to be modified due to other conditions (such as load or coolant temperature).
Tell us more about the exact vehicle / ECU you are using with HP Tuners and perhaps we can supply more specific details.
