I think Bullitt said that his guage read like 100 plus mpg and 12k miles till empty. Once you mess with the AFRS and the injectors the ecu is all kinds of confused. I just calculate mpg the old fashion way and because my gas gauge is unreliable I don't drive more than 250 miles before filling up. City only driving is no more than 150 because my right foot has a problem.
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