Control pressure problem
Those are very interesting test results. From your earlier description it seemed that the mixture was too rich. Now it looks like it's too lean and you WUR isn't pushing into cold start at all.
Please keep us posted on your repairs. If you get a replacement WUR please feel free to PM me on how to adjust the mixture adjustment screw on the air metering plate.
We're happy that the Control Pressure Gauge worked out for you. Using the gauge is much better than guessing at what the cause would be!
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Steve S
Support Tech
UnwiredTools, LLC
www.unwiredtools.com
1982 380SLC
1994 E320TE
1998 E300DT
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