Q: Check engine light and grinding sound when start.

asked byonJanuary 27, 2017

我的2007雷克萨斯GS 450H上有P0016 P0017代码。什么时候到经销商三遍,他们只是重置代码,并告诉我它可以。现在,当启动时,它会发出巨大的磨削噪音(非金属声音)。我想知道这是否是我的听众电机,因为我的燃气发动机在加热时会更频繁地打开电池电量。还是可以是所有与入门有关的问题?我做了一些研究并改变了曲柄轴传感器,认为这可能是这个问题。没有天气的人愿意或试图对我镇上的混合动力汽车做任何事情。帮我。

My car has 170000 miles.
我的汽车有自动变速箱。

可变气门正时(VVT)螺线管更换 $ 146.83- $ 587.96 Get a Quote
汽车正在进行噪音检查 $ 94.99- $ 114.99 Get a Quote

你好呀。由于只有在启动车辆时才发生声音,因此最有可能戴上正时链张紧器,或者执行器粘住并导致正时链松动,直到产生足够的发动机油为止。我建议先维修机油和过滤器。如果噪音继续下去,请采取汽车听诊器,并在启动过程中聆听发动机上的声音。这将使您更多地了解噪音的来源。同样,凸轮轴位置传感器可能无法正常工作,从而导致发动机发动机亮起,但是除非传感器和凸轮轴之间有东西,否则不会发出噪音。

Now, this is rare, but if your engine has variable valve timing, then the可变阀正时电磁阀could be sticking.

If you need further assistance with yourengine making a noise,然后寻找一个专业人士,例如您的机械师,以帮助您。

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