Method for controlling combustion engine e.g. direct-injection petrol engine, involves setting time appropriate for opening exhaust and inlet valves, when detected temperature of refrigerant is below threshold value

摘要

The method involves detecting temperature of the refrigerant and comparing the detected temperature with the threshold value. The time appropriate for opening exhaust and inlet valves (216,215) is set, when the detected temperature is below the threshold value. The fuel is injected into exhaust stroke cylinder (125), when the detected temperature is above the threshold value. Independent claims are included for the following: (1) computer program for controlling combustion engine; and (2) engine control equipment.