Why is my Kia Rio's engine making a rattling noise?

I have noticed that my Kia Rio's engine makes a rattling noise when I accelerate. It also seems to be losing power. What could be causing this issue and what should I do about it?

It is possible that your Kia Rio's engine is low on oil, which can cause rattling noises and decreased power. Check your oil level and top up if necessary.

Another possible cause could be a loose heat shield or exhaust component. This can be fixed by tightening or replacing the affected part.

If the rattling noise only occurs when the engine is cold, it could be a sign of worn out piston pins. It is best to take your car to a mechanic for further diagnosis and repair.

I had a similar issue with my Kia Rio and it turned out to be a problem with the timing belt. I would recommend getting it checked by a professional as soon as possible to avoid further damage.