Yes, you are right. It is very coarse.
Instead, I am focusing on getting a fuel flow sensor sensitive enough for the low flow, cheap, as I will need two of them. The first for the fuel income and the second for the fuel pumped back to the tank. Need to calculate the difference for having the true story.
Thank you.
Quote:
Originally Posted by dcb
Moved here because it is out of scope for the prebuilt.
The signal from the tank is much too coarse for accurate mpg feedback, though you can get a general idea from it. I can't say why your circuit isn't working though, far too many variables there.
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