Does Honda crv Maintenance Manual recommend engine cleaning?

There is no such cleaning item in the maintenance manual. Whether to do it or not depends on your maintenance. If ordinary engine oil is used for maintenance, the cleaning effect is not good, and the engine can be done if it is dirty. If the quality of engine oil parts for maintenance is relatively high, it is unnecessary to do it when the engine is clean. Imported GT Maroon 5 is the base oil of Class IV PAO. The quality of engine oil is higher than that of Class III synthetic engine oil, and the cleaning effect is good.