I noticed a little coolant leak so I traced it to a leaking fan switch. I ended up just replacing the switch. Then I decided to adjust the air flow meter. More details can be seen at the944.com
The old fan switch
Inside the AFM
The Wiper Track. Moved the wiper assembly so that it runs along a fresh unused material on the wiper track.
A redundant wire from the connectors bridge to the wiper and the wiper.