After Buick Lu Zun replaced the spark plug, the throttle was emptied.

It may be caused by engine timing deviation and low cylinder pressure.

Throttle leakage may be caused by loose throttle installation, engine timing deviation, low cylinder pressure and air leakage in intake manifold. There is an excuse that the intake manifold and engine are broken and the pipes on them are not damaged.

Buick Land Business Class, which has been leading the MPV market in China, will be pushed to a new height with more competitive advantages. As the top model of domestic public business MPV.