Changan light truck will turn off when it releases the throttle. What is the reason? When you strike a light, you must step on the gas.

To start the vehicle normally, the following four conditions must be met (1): normal ignition system (2): normal fuel system (3): normal air intake system (4): normal ignition timing. According to your description of the situation, the ignition system and fuel system can be eliminated, and the throttle can be started and operated normally, indicating that there is something wrong with the air intake system. The common faults of the intake system are basically carbon deposition on the throttle, lax installation of the throttle and intake manifold, lax installation of the engine intake and intake manifold, and only carbon deposition on the engine intake. According to the symptom description, it conforms to the performance of carbon deposition in throttle, and the fault can be eliminated by cleaning throttle and engine intake.