I'm troubleshooting my failed emissions. I have already replaced my OX and think the MAF may be dirty.
What are the best methods and Cleaners to use?
If there is a write up in the KB please send me the link.
Thanks guys,
Scott
'90 V8Q
'91 V8QM
'03 RS6
'02 A6 2.7T
'07 GTI 6-sp