| 摘要 |
PURPOSE: A system for checking malfunction of a CN(Compressed Natural) gas vehicle is provided to precisely find out any abnormal parts in a short time by mounting sensors to an engine and a fuel line and displaying sensed states with a display unit. CONSTITUTION: A system for checking malfunction of a CN gas vehicle includes a fuel line(24) connected to a fuel tank storing CN gas for supplying the CN gas to an engine, a mixer(25) mounted at a side of the fuel line for mixing the CN gas with air to supply to the engine, a throttle body for controlling an amount of air inhaled into the engine, a cam sensor(26) mounted at a side of the engine for sensing a state of the throttle body and the change of an engine rpm, an electronic control unit(ECU;20) for receiving predetermined information from the cam sensor, and a display unit(30) connected to the ECU for visualizing the information according to the control signal of the ECU.
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