At 30mph in 4th with a very light throttle my 450 petrol genuinely does in excess of 100mpg imp for brief periods. As aforementioned above when costing, even slightly, the FI shuts down and indicator displays tend to default to their highest displayable figure to indicate no fuel being used.
ICE displaying 100+ mpg?
I drive an ICE (gasoline) smart car. In stop-and-go city driving under 45 miles per hour, the vehicle's display is hitting 100+ mpg at times throughout the city drive. How does the smart calculate the 100+ mpg? Does the spike occur when I remove my foot from the gas pedal upon approaching a red light? I put the 5-speed manual transmission into neutral for only about the last 20 feet or so before the stop.
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