| 摘要 |
A vehicle performance monitoring system is provided in which engine "on" and "off" and engine speed, and also road speed, are detected by detectors (18, 20) and the signals indicative of these parameters are fed to a processor (22). A further signal representing the level of the fuel in the vehicle's fuel tank, and which indirectly represents the amount of fuel used by the vehicle, is obtained from a level indicator (32) and fed to the processor (22). The processor using the information to product data pertaining to fuel consumption, times during which the engine is idling, over-revving of the engine, engine start times, engine shut down times and vehicle speed.
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