Didnt say he couldnt figure out how to use it… said he couldnt figure out how to tune with it. and i will assume he could not figure out how to tune with it because an HKS afr is a pos so I do not blame him for being unsuccesful, actually I’ve yet to come across anyone who has been succesful using one.
I know when hector had hooked up one he had, the thing worked backwards (meaning when you added fuel, you were really subtracting fuel)