What version of the sample port do you have? Mine is a few years old now, but it comes apart into components by removing the threaded receiver opposite the valve handle.
I've never tried to deep clean the butterfly valves. I soak them in PBW and do some mechanical cleaning with small round...
This is not directly about the odometer, but it shows a pattern of deceptive practices.
Some notable quotes:
...What Ponsin didn’t know was that Tesla employees had been instructed to thwart any customers complaining about poor driving range from bringing their vehicles in for service. Last...