with 542mg air and 50mg of diesel do you have an afr of 10.8!! your car dovebbe spew out black smoke worse than the titanic!! according to me c'? something that should not be....then who tells you that with an engine ori that you can't? to go beyond a certain iq?for what reason??
with regard to the maf values, goals are the norm of what a really good maf should give that a maf in good condizionedeve give between 289 and 1201 mg of air