Why is the Kia Rio engine shaking?

I've noticed that my Kia Rio's engine has been shaking a bit while idling. It's not a major issue, but it's definitely concerning. Can someone explain why this is happening and if there is anything I should do about it?

It's possible that there is an issue with the spark plugs or ignition coils in your Kia Rio. These are important components for the engine's performance and can cause shaking if they are faulty. It's best to take your car to a mechanic to get it checked and replaced if necessary.

Another potential cause for the shaking could be a dirty or clogged air filter. This can restrict air flow to the engine, which can affect its performance and cause shaking. Make sure to check and replace your air filter regularly.

In some cases, the shaking could be due to a problem with the fuel system. If the fuel filter is clogged or the fuel pump is failing, it can cause the engine to shake. It's important to have these components checked and replaced if needed to ensure smooth engine performance.