NEWS

Engine Cylinder Working Condition Diagnosis Method

2023-10-09

In some cylinders of the engine, the valve spring is too soft, the valve guide is stuck, the intake valve is too much carbon deposition, and the exhaust valve is ablated, resulting in the cylinder valve not closing tightly; or the injector leaks slightly, and the ignition energy of the spark plug is insufficient, resulting in combustion. not good. Use an infrared thermometer to detect the exhaust manifold of each cylinder, or directly detect the position of the cylinder liner of each cylinder, which can directly detect the cylinder with problems.

1. Which cylinder temperature is low means which cylinder does not burn well.

2. The temperature of a certain cylinder is particularly low, indicating that the mixture of the cylinder is not ignited.

3. The temperature of individual cylinders is significantly higher than that of other cylinders, indicating that the injector of this cylinder may leak slightly.

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