Buick Road Zun 2.4 Come on.

What you want to ask is what happened to Buick Road Zun 2.4? The reasons for this are as follows:

1, engine mechanical system failure, such as low cylinder pressure leading to engine power decline, throttle opening problem.

2. There is too much carbon deposit behind the intake valve and the intake pipe, which causes the injected gasoline to be adsorbed by the carbon deposit and cannot enter the combustion chamber.

3, engine management system failure, such as water temperature, inlet temperature signal is not correct, line failure, etc.

4. There are faults in the ignition system, such as excessive carbon deposition in the spark plug or incorrect gap, leakage of high-voltage line and distributor cover, and damage to the ignition coil.