What is the performance of the engine belt tensioner failure？

The performance of the engine belt tensioner failure is manifested as a sudden increase in engine noise during rapid acceleration (especially when the speed is approximately 1500), engine timing skipping, disorder in ignition and distribution timing, engine jitter, and ignition difficulty (in serious cases, the vehicle can't start directly). When the above situations occur, it is necessary to check whether the tension wheels has been damaged. The belt tensioner is a wearing part of auto parts. The belt is prone to elongation over time, and some belt tensioners can automatically adjust the tension of the belt. Additionally, after the tensioning of the wheel belt, the vehicle runs more smoothly, the noise is reduced, and the vehicle can effectively prevent slipping.