What Causes Car Shaking After Starting?

1 Answers
LeKevin
07/29/25 5:36pm
Engine shaking after starting may be caused by aging engine mounts, excessive carbon buildup in the throttle body, or malfunctioning in one of the cylinders. Here is relevant information: 1. Engine mounts are typically made of rubber. Rubber components will harden over time with use. When rubber mounts age and harden, this can cause vibration during engine operation. 2. The throttle body is known as the engine's throat. When pressing the accelerator pedal, the throttle opening increases, allowing more air into the cylinders, and the ECU then commands the fuel injection system to deliver more fuel. If there's carbon buildup on the throttle body, it may cause unstable engine idling.
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