Vehicle engine control method and device, vehicle and storage medium

The invention relates to an engine control method and device of a vehicle, the vehicle and a storage medium, and the method comprises the steps that whether the duration of an engine of the vehicle in an idling working condition is longer than a preset duration or not is detected; under the condition that the duration is larger than the preset duration, the current exhaust temperature of the engine is obtained; and a corresponding engine adjusting strategy is generated based on the exhaust temperature, parameters of the engine under the idle speed working condition are adjusted based on the engine adjusting strategy, and the parameters are used for controlling the vehicle to execute corresponding engine control actions so that idle speed emission of the engine can meet the preset emission requirement. Therefore, the technical problem that in the related technology, high-efficiency conversion of harmful gas in vehicle exhaust gas is difficult to achieve under the engine idling working condition, vehicle exhaus