What are the causes of engine idle vibration?

[DelKaden]

Engine idle vibration causes: Generally, it is due to a dirty throttle valve or excessive carbon deposits on the fuel injectors. Poor performance of the ignition system or suboptimal spark plug firing conditions can also lead to such fault symptoms. Abnormal fuel pump supply pressure or incorrect readings from the intake pressure sensor may also cause body vibration. Below is related information about engine idle vibration: 1. Idle speed introduction: Idle speed is an operating condition of a car, referring to the engine running in neutral gear. The engine speed during idle is called the idle speed. 2. Engine introduction: An engine is a machine capable of converting other forms of energy into mechanical energy.