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Fuel energy contents determining device for internal combustion engine, has arithmetic and logic unit calculating engine power output to determine absolute and relative energy contents of fuel and display device displaying value of contents
Fuel energy contents determining device for internal combustion engine, has arithmetic and logic unit calculating engine power output to determine absolute and relative energy contents of fuel and display device displaying value of contents
The device has an arithmetic and logic unit (20) calculating a power output of an engine to determine absolute and relative energy contents of an injected fuel. The absolute content is determined from a ratio of a power output of the engine to the fuel amount. The relative content corresponds to a ratio between a relative power output of the engine and a desired value. A display device (30) displays a value of the determined contents. An independent claim is also included for a method of determining energy content of fuel for an internal combustion engine of a motor vehicle.
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