Ethanol & capacitance fuel-level sensors

"Adam Aulick" wrote in message
t...

Does anybody have any thoughts on this?
Does the mixture stay mixed, or does the ethanol try to float to the top?
Can we measure water in the ethanol, or does that just foul up the sensing
completely?

~Adam

Percent Ethanol sensors were once common in the E85 capable automobiles
(early '80's?). I don't remember how they worked though. They have since
been cost reduced out of the system in favor of estmating the ethanol
content by the magnitude of the closed loop fuel correction made via the
exhaust O2 sensor.

The stuff usually stays mixed.

--
Geoff
The Sea Hawk at Wow Way d0t Com
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