| 摘要 |
A conveying device ( 1 ) has a fuel pump ( 5 ) for supplying an internal combustion engine ( 2 ) of a motor vehicle with fuel. The conveying device further has a monitoring apparatus ( 10 ) for determining the wear condition or the degree of soiling of the fuel pump ( 5 ). To this end, the monitoring apparatus ( 10 ) compares the power consumption to the hydraulic power of the fuel pump ( 5 ). A diagnostic display ( 11 ) is activated when a predefined value for the power consumption is exceeded.
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