Quote Originally Posted by darkhorizon View Post
Its not required persay but when you build a maf from nothing its an option to change the curve a bit based on what you find. Fixing mechanical problems by changing the maf is still hokey.
I completely agree with what you say here. You don't compensate for a mechanical problem with tuning. I could see in an emergency to limp home... But tuning is not a replacement for a broken or out of spec part