| US 7,578,288 B2 | ||
| Method for operating an internal combustion engine, computer program product, computer program, and control and/or regulating device for an internal combustion engine | ||
| Christof Thiel, Heilbronn (Germany); Matthias Heinkele, Weil der Stadt (Germany); Andreas Bethmann, Ditzingen (Germany); and Kai Jakobs, Schwieberdingen (Germany) | ||
| Assigned to Robert Bosch GmbH, Stuttgart (Germany) | ||
| Filed on Feb. 08, 2007, as Appl. No. 11/704,610. | ||
| Claims priority of application No. 10 2006 007 698 (DE), filed on Feb. 20, 2006. | ||
| Prior Publication US 2007/0199553 A1, Aug. 30, 2007 | ||
| Int. Cl. F02D 41/00 (2006.01) | ||
| U.S. Cl. 123—690 [123/688; 701/114] | 13 Claims |
| 1. A method for operating an internal combustion engine, comprising:
monitoring for a presence of a malfunction in at least one of a sensor for detecting and an actuator for setting a performance
quantity of the internal combustion engine;
wherein the monitoring is performed at a first operating point of the internal combustion engine at a first load level and
at a second operating point of the internal combustion engine at a second load level that is higher than the first load level;
and
wherein both the first and second operating points are set alternatingly, and wherein at least one of the first and second
operating points is set multiple times for a single monitoring operation.
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