When set to 50% it really does not oscillate at all, but when set to 70 it actually fluctuates alot from 60's to 80's. The guys at the indy shop said a 70% was rich not lean?
I also am putting a new chain in in the morning as I have 10 degrees of stretch.
m

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Martin Ingram
Colorado Springs
2005 320 CDI
2006.5 VW Jetta TDI
1991 560SEL (179000 Sold)
1972 280SEL 4.5 ('The Lead Sled' 320000 miles when sold.)
1972 220D (225000 when sold)