Why is contact cleaner better? What, precisely, is
it's chemical makeup? How does it effect the MAF's
materials? It may be fine, it may not. At best, it
may be technological overkill.
With something as gentle as Windex there are no
worries and any "film" is easily and instantly
wiped away with a dry q-tip. Simple, easy, safe.
If using contact cleaner is your preffered
method, then keep using it, but for many of us
it's use is an unnecessary, unproven risk. As I'm
sure you can appreciate, anecdotal, single experience
usage does not constitute proof of efficacy.
If, however, Ford, officially approves contact cleaner's
usage, then a convert I might be,