hey everyone, iam having a hard time figuiring out my maf problem MLHFM is stock and good but iam getting super low g/s on wot, 110 to 115g/s to be exact and thats with 1 to 1.2 bar boost in 3rd all the way to 6krpm. now the thing is that i wired up a multimer to check if the maf is under reading but it goes up to 4.33v at wot which is 615.80kg/h in my MLHFM table and equals to 171.06 g/s if iam not wrong. so why is it showing 115g/s max in vcds. if anyone has any suggestions i would appreciate it since my car is running super lean from the low maf readings and power output is shit tbh.

thanks in andvance
car is a3 8l me7 032R
1.8t agu head, cold air intake and straight pipe
maf part number is 06A906461L