Q: Truck hesitating down the highway

随着驾驶过程中的地板板变热，您可能需要看卡车下方，看看催化转换器是否大致位于热量来自的区域。

在我看来就像催化转化器可能被堵塞，不允许排气尽可能自由地逃脱。当转换器堵塞时，它会导致发动机的背压，并且不允许发动机“呼吸”，因此会堵塞发动机。

If you need help identifying and repairing the issue, YourMechanic offers several options. They have trained mechanics that can come to your home, or place of business, to perform thediagnosis of your hesitation symptom并根据需要修复问题。