The engine running sound, can reflect the technical status of the engine. When the engine with the gap between the technical standards, the sound is normal. When the engine parts due to wear loose or because of the quality of repair is not high, the adjustment is not appropriate, the destruction of the gap with the auxiliary, will be an abnormal sound. The ability to accurately determine the abnormal sound, timely troubleshooting, to ensure a good technical state of the vehicle has a direct relationship.
In order to determine the fault quickly and accurately, it is necessary to master and apply the following basic methods.
Listen to hear — such as Baotou Benz muffler accessories chug, should pay attention to in a variety of speeds to listen, and difference is the rhythm of the chug chug, or no rhythm. In addition to pay attention to whether or not the carburetor backfire sound, as well as the engine has a serious knock sound.
Try to use the method of drag damper, test engine changes. With the method of slow acceleration, Baotou Benz accessories audition with chug muffler. Using the method of rapid acceleration, audition muffler chug whether increased or improved instantaneous. With the acceleration of the method can also listen to the carburetor with no backfire sound and whether there is a serious knock sound.
Look – look at the northern part of Baotou Benz engine is trembling, whether the smoke black smoke, carburetor oil spills, as well as other parts of the abnormal phenomenon.
Want to listen to, try and see the phenomenon, analyzes the scientific thinking, and making correct decision.