What are the symptoms of a faulty tensioner?

[Hylla]

Tensioner once damaged, will not be able to adjust the tightness of the belt, the engine will produce abnormal noise, timing jump teeth, ignition and valve timing disorder, which will affect the normal use of the car. It will also cause the car to shake, increase fuel consumption, lack of acceleration, detonation and other faults. The following is an introduction about the tensioner: 1. The tensioner is used in the timing system of the engine to adjust the tightness of the timing belt/chain. 2. Generally, the replacement cycle of the tensioner is the same as that of the timing belt. It is recommended to replace it every 3-5 years or about 80,000-100,000 kilometers. The specific replacement time refers to the vehicle maintenance manual.