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Method for testing the fuel quantity balance in a common rail system, corresponding engine control system, and corresponding diagnostic device
Method for testing the fuel quantity balance in a common rail system, corresponding engine control system, and corresponding diagnostic device
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机译:在共轨系统中测试燃油量平衡的方法,相应的发动机控制系统和相应的诊断装置
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摘要
In a common rail system having two electrically controlled actuating elements, e.g., a metering unit at the input side of a high-pressure pump and a pressure regulating valve on the common rail, different fuel delivery quantities are able to be set in the common rail system while the vehicle is stationary, independent of the current engine load, by controlling operating points via one of the actuating elements and subsequently regulating the other actuating element. Control currents of the actuating elements correspond to the operating points. These control currents, or differences of control currents, are compared to target values to enable an evaluation of the common rail system.
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