Cool thanks. My trip and the ultra gauge are dead on now I'm watching my fuel used.
I was going to calibrate it last tank but I accidentally not knowing that of you hold the up button it resets. So it was 3 miles off so this time we will see how accurate it is.
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1998 Honda civic Lx sedan 5sp completely stock with lowering kit 2in drop full fresh factory tune up and ngk plugs ngk blue wires. Just added vacuum gauge
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