Reasons Why Your Car Is Vibrating When Idle or Stopped

If you notice your car vibrating when idle or stopped, you should take it to a mechanic right away. It is a sign that the engine needs to be checked and possibly needs some repairs. Here are some common reasons why your car is vibrating when idle.

Why is Your Car Vibrating When Idle?

    Motor mounts are responsible for keeping the engine attached to the car. If they are broken or damaged, you will feel excessive vibration especially at idle. If the shaking decreases when you shift the car into neutral, it is a strong indication that motor mounts need to be checked by a mechanic.
    With excessive wear and tear, the fuel intake valves can become clogged. Poor valves deliver an uneven amount of fuel to the engine which further results in shuttering or vibrating of the car.
    Spark plugs help in igniting the cylinders which makes the engine produce power. Dirty or worn-out spark plugs will not fire properly and this is the most common reason why your car vibrates when idle.
    The hoses under the hood of your car create a vacuum for air and fuel. With time these rubber hoses wear out and may develop leaks. If too much air is introduced to the fuel mixture, the engine may misfire and can cause the car to vibrate.
    Your car’s timing belt, serpentine belt and other belts can also cause engine vibration and squealing. A stretched or worn-out belt will result in inconsistent timing and cause shaking. So, if you notice any cracks or ribbing in any of your belts, have them replaced right away.

These are the most common reasons why your car vibrates when idle. Rough idling causes poor performance, poor fuel economy and it can also lead to major engine problems. If your car is facing rough idling, don’t wait for too long and take it to the mechanic as soon as possible.

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