The fault code of Wuling Glory is P0507 rationality diagnosis of idle speed control valve (stepping motor). The engine speed exceeds the expected value ... the idle speed is too high and unstable.

1, check the PVC valve. This thing is on the valve cover over there. A rubber thing connects a pipe to the air inlet. This thing is easy to breakdown, and the idle speed will not drop after breakdown. Look at EGR again.

2. When the automobile engine is not working normally, but the self-diagnosis system has no fault code output, it is especially necessary to rely on the inspection and judgment of the operator to determine the nature and location of the fault.

3. When abnormal noise occurs at a certain speed, keep the speed, and then find out the relationship with the cylinder position. At the same time, observe the changes of oil pressure, oil filler and exhaust pipe.

Extended data:

An engine is a machine that can convert other forms of energy into mechanical energy, including internal combustion engines (gasoline engines, etc. ), external combustion engine (Stirling engine, steam engine, etc. ), motor, etc. For example, internal combustion engines usually convert chemical energy into mechanical energy. The engine is suitable for both power generation devices and complete machines (such as gasoline engines and aero-engines) including power devices. The engine was first born in Britain, so the concept of engine also originated in English. Its original meaning refers to "a mechanical device that generates power".

References:

Baidu encyclopedia-engine