AF on scanmaster?

[tford]

What does it mean? What should it be at wot? I'm trying to diagnose a problem by going through my scanmaster #'s. Help please!

 

[441120]

AF is air flow. Without extender chip max value is 255.

 

[Quiky One]

Stands for Mass Air Flow. It reads of the MAF sensor at the end of you intake.

Jason