Method for operation of combustion engine, involves detecting pre-ignitions on basis of signals of sensor, and determining enthalpy-actual value

摘要

The method involves detecting pre-ignitions on the basis of the signals of the sensor, and determining an enthalpy-actual value, where the load in the cylinder in the area of the upper dead center has the enthalpy-actual value. The enthalpy-actual value is compared with an enthalpy-threshold value and the enthalpy-threshold value is corrected depending on the pre-ignitions.