Wei Chai 340 oil pump engine is not easy to ignite. Why is it difficult to strike a light when it is cold or hot?

Too much carbon deposit on spark plug electrode or too large gap between spark plug electrodes leads to poor ignition, which makes it difficult to strike a fire. Solution: It is recommended to replace the spark plug.

There is too much dust in the intake system (mainly reflected in the air filter element and throttle body), which leads to poor intake. Or too much carbon deposit in the intake branch pipe affects the mixing of gasoline and air, which makes it difficult to strike a fire. Solution: It is suggested to replace the air filter element and clean the throttle body and intake branch pipe.

Matters needing attention of Wei Chai 340 oil pump engine

Wei Chai diesel engine water pump assembly maintenance must be carried out by professional maintenance personnel of Dongfeng Commercial Vehicle Technical Service Center (station).

Excessive water content in fuel will cause serious damage to high-pressure pump.

The maintenance of fuel injectors must be carried out by professional maintenance personnel of Dongfeng Commercial Vehicle Technical Service Center (station). All seals must be replaced every time the device is disassembled.