| 摘要 |
<p>Inside a fuel tank 33 are arranged a float-type fuel quantity sensor 41, a first thermistor 42 arranged higher than the upper limit of the range of motion of the float of the float-type sensor 41, and a second thermistor 43 arranged lower than the lower limit of the range of motion of the float of the float-type sensor 41. An arithmetic operation means calculates the quantity of fuel remaining in the fuel tank 33 based on liquid surface levels which are detected by the float-type fuel quantity sensor 41, the first thermistor 42 and the second thermistor 43 after an ignition switch is turned on.
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