| 摘要 |
In a method for early diagnosis of malfunctions of emission-improving measures, a pressure-operated actuating element is provided in an internal combustion engine, and this actuating element opens and closes as a function of an actuating pressure supplied a bypass passage that bypasses the turbine of an exhaust turbocharger, the actuating element being supplied with a diagnosis pressure as the actuating pressure to check its operation, and a fault signal being generated if the actual value of the intake pressure that establishes itself in the intake manifold of the internal combustion engine differs from a target value for the intake pressure.
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