日产新天籁加速异响故障现象:一辆2010年生产的2.4L日产新天籁,车主报修加速有异响。故障诊断与排除:接车后首先和车主试车,发现该车在行驶时踩油门踏板会听见右前位置有“隆隆”的异响声,但是只要松开油门踏板响声就会马上消失,再次踩下油门踏板响声又会出现,或者一直踩着油门踏板不松开,直到车速上去后响声明显减轻。试车感觉是发动机有负荷是振动的声音,与车主交谈得知该声音大概存在三个月时间,而 Nissan new Teana accelerated abnormal sound phenomenon: a production of 2.4L Nissan Teana in 2010, the owners repair anomalies have abnormal sound. Fault diagnosis and troubleshooting: first pick the car and the owner after the test car and found that the car stepping on the gas pedal while driving will hear the right front position “rumble” sound of abnormal sound, but as long as the release of the gas pedal sound will disappear immediately Depressed accelerator pedal sound will appear, or has been stepping on the accelerator pedal is not released, until the speed up significantly reduced. Test the feeling is the engine load is the vibration of the voice, talk with the owner that the sound about three months time, and