Description
The main components of EGR valve include valve body, valve core, electromagnetic coil and sensor.EGR valves usually need to be cleaned and maintained regularly to ensure their normal operation.EGR valve may be blocked due to carbon deposition or dirt, leading to performance problems.Failure of EGR valve may lead to unstable idle speed or loss of power of engine.The failure of EGR valve may lead to the vehicle emission exceeding the standard, and it cannot pass the emission test