What is coasting in neutral and coasting with clutch engaged in gear?

[DiJesse]

When coasting in neutral, the engine power output is completely disconnected from the transmission. To re-engage power, both the clutch and transmission must be operated together. When coasting with the gear engaged, the engine power output is partially disconnected, with the degree of disconnection controlled by the clutch engagement level. Below are detailed explanations of coasting in neutral and coasting with clutch engaged in gear: 1. Coasting in neutral: Coasting in neutral must be performed under conditions of safety and normal vehicle technical status, and engine-off coasting is not permitted. Especially when descending steep or long slopes, neither engine-off coasting nor coasting in neutral is allowed. 2. Coasting with clutch engaged in gear: When the vehicle is coasting with the gear engaged and the foot is off the accelerator pedal, the engine speed will quickly drop to idle speed. The throttle position sensor detects this signal and transmits it to the computer, which then controls the fuel injection pulse width according to the designed idle conditions to maintain the engine at idle speed.