Quote:
Originally Posted by johnlvs2run
I turned the engine off with the key, switched the key right back on, and used a bump to restart the engine. Even though the key was back on, the ultragauge did not show any mpg information while engine off coasting, and I question the results for that reason.
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Ah. Okay. My UG sometimes reads "err" where the MPG numbers should be after I click the injector cutoff switch and EOC. But when I restart the engine the numbers come back and then update a second later in a way that suggests the UG was still tracking the data, but that the display got messed-up some by the cutoff. I have been driving everyday for three years like that and generally, my UG shows about what the pump/odometer calculation shows when I refill the tank. Fuel deceleration cutoff with the engine on is another matter. I have only just begun extensively playing with that myself...