how to adjust the AFM to optimum?

[ae101svt]

Engine Check Light!!!

Sifoos here, wonder why my car got a lot of problems… when I push my car to high speed with high RPM for a certain period the Engine Check Light will goes ON but the car’s performance still maintain very stable. Once I switched off the engine and restart engine again the Engine Check Light gone…wonder why this will happen…really need some inputs here. Tq.

 

[EG9]

AFM have been optimized for your stock engine.
any changes on the AFM will effect the A/F ratio feeding from ECU.

 

[EFN]

You can try fiddling with the AFM day and night for weeks....but rest assured that the original Screw setting is still the best. For power, tuners don't messed with AFM or TPS.