Ive got a '98 ZJ and Im trying to formulate a semi-accurate chart to keep track of fuel efficiency (OCD maybe? LOL) and Ive come across a hitch. The fuel tank capacity that Ive read is 23 US gallons, but my fuel gauge doesnt echo this; it reads full at about 75% this figure.
Do I simply have an ineffective fuel gauge or does it actually read full when it isnt? (if this is the case how full is it when it reads 100%)?
how to calculate mpg,s or some mechanical question as to what your gauge is telling you?
if your looking for a way to track mpg's at every fill only fill till the pump clicks off every time.
record the gallons put in and the miles logged on the trip meter.
keep a running total of every tank of gas on paper somewhere, not rocket science. maybe i'm misunderstanding the inquiry?
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