| 摘要 |
PROBLEM TO BE SOLVED: To provide a method checking the adjustment of a length or volume of an intake manifold in an internal combustion engine 10 which, when there is a functionally capable adjustment of the length of the intake manifold, is operated with a first, comparatively large intake manifold length SRL_L when there is a first, comparatively low rotational speed, and is operated with a second, comparatively small intake manifold length SRL_K when there is a second, comparatively high rotational speed, and a control unit 42 configured to execute the method. SOLUTION: In the method, a measure B is formed for an actual value of the power or of the torque of the internal combustion engine 10 from operating parameters which are sensed for controlling the internal combustion engine 10 during its operation. The measure B is compared with a predetermined target value, and the check is carried out in dependence on the result of the comparison. COPYRIGHT: (C)2008,JPO&INPIT
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