I have a P0171 : fuel trim too lean
but my wideband gauge indicates I'm rich at WOT and everything is perfect when cruising.
Some people told me to clean my MAF.
What do you use to clean your MAF?
but my wideband gauge indicates I'm rich at WOT and everything is perfect when cruising.
Some people told me to clean my MAF.
What do you use to clean your MAF?