Why does my Optima’s check engine light come on when I start it?

It's okay if your check engine light comes on when you first start your vehicle. It’s just your Optima firing up its circuits. The dash light shouldn't stay on. If it does, you might want to bring your vehicle in for service.

Are Kia Optima engine noises bad?

Strange engine sounds can be a sign something’s off in your Kia Optima. Knocking or tapping could be a symptom of low oil. Whistling sounds could mean you have an intake leak or misaligned belt. Squealing may be caused by a loose fan belt, and grinding might be coming from the brakes, not the engine.

What could damage a Kia engine? [ordered-list-1-item-3-1]Are you unknowingly damaging your Kia Optima engine?

Some driving habits are not so great for your engine. These include driving on a near-empty gas tank, revving your engine while the vehicle is in Park, or slamming the gas pedal while the engine is still cold. Steer clear of these habits to help protect engine performance and efficiency.

Can I put water in my Kia Optima radiator?

While it’s not recommended, you can use water in your Optima radiator in emergencies. Normally, you should only use a 50/50 mix of coolant and water or a pre-mixed coolant. However, if you are completely out of coolant and must continue driving, it’s better to have water in your coolant reservoir than nothing.

What can cause a Optima engine to suddenly stop?

Reasons your Optima car engine may suddenly stop include engine overheating, electrical troubles, mechanical issues, ignition system problems, faulty sensors, and low fuel.

Where can I go for Kia Optima repair?

Your local Firestone Complete Auto Care has you covered with expert Optima engine repair. Schedule an appointment today and see us at one of our thousands of locations.

2018 Kia Optima Engine Repair

Learn about

2018 Kia Optima Trim Options

Select your Kia Optima trim level to learn more about Kia-recommended engine repair. Even Kia Optima parts will get older and change.

L4/1.6L

L4/2.0L

L4/2.4L

L4/1.6L

L4/2.0L

L4/2.4L

L4/1.6L

L4/2.0L

L4/2.4L

L4/1.6L

L4/2.0L

L4/2.4L

L4/1.6L

L4/2.0L

L4/2.4L

L4/1.6L

L4/2.0L

L4/2.4L

Kia Optima Repairs and Services

Nothing lasts forever. Even your Kia Optima’s engine parts and components will change. When something breaks or fails, we’re ready to help. Click on a repair below to learn more about 2018 Kia Optima repairs.

We Know Kia Optima Engines

Kia Optima drivers trust that their Optima will take them near and far. You probably thought about that when you got it. Even so, pieces and parts can break down over time. Sometimes plans go sideways. If they do, you’ll have to find a dependable 2018 Kia service center — quick! Luckily, you won’t have to look far, since Firestone Complete Auto Care has 1,700+ locations across the country. We've serviced millions of vehicles since 1926, and our professional technicians are trained to service Kia Optima engines. If you think something’s wrong with your engine, schedule an appointment at your convenience. Firestone Complete Auto Care offers both trustworthy and affordable engine repairs.

My 2018 Kia Optima Check Engine Light Is On

An illuminated check engine light on your Kia Optima is one of the first signs it's time to 'brake' for engine service. A check engine light that’s on or flashing could be a symptom of a serious problem in your combustion, Possible causes can include a failing oxygen sensor, worn spark plug, issues with your catalytic converter, or a leaking engine vacuum, to name a few potential sources. Bring your Optima to Firestone Complete Auto Care to get computerized diagnostics and we'll determine exactly why your check engine light is on. rattling sounds, oil leaks, or misfiring.

Engine Repairs for Your 2018 Optima

If your 2018 Kia Optima needs engine repair, our expert techs will let you know what needs to be done and why before they get started. We make recommendations, but you make the final decision. If a service can wait, we’ll make sure you know. If it's necessary for your safety, we'll make sure you understand that, too. We want to provide you with the information you need to make an informed engine repair decision. Choose Firestone Complete Auto Care for Kia Optima engine repairs and you can drive easy knowing that we use Kia-approved parts and fluids — timing chain or belt, oil gasket, fuses, or another part.

Engine Q&A 2018 Kia Optima

Why does my Optima’s check engine light come on when I start it? It's okay if your check engine light comes on when you first start your vehicle. It’s just your Optima firing up its circuits. The dash light shouldn't stay on. If it does, you might want to bring your vehicle in for service.
Are Kia Optima engine noises bad? Strange engine sounds can be a sign something’s off in your Kia Optima. Knocking or tapping could be a symptom of low oil. Whistling sounds could mean you have an intake leak or misaligned belt. Squealing may be caused by a loose fan belt, and grinding might be coming from the brakes, not the engine.
What could damage a Kia engine? [ordered-list-1-item-3-1]Are you unknowingly damaging your Kia Optima engine? Some driving habits are not so great for your engine. These include driving on a near-empty gas tank, revving your engine while the vehicle is in Park, or slamming the gas pedal while the engine is still cold. Steer clear of these habits to help protect engine performance and efficiency.
Can I put water in my Kia Optima radiator? While it’s not recommended, you can use water in your Optima radiator in emergencies. Normally, you should only use a 50/50 mix of coolant and water or a pre-mixed coolant. However, if you are completely out of coolant and must continue driving, it’s better to have water in your coolant reservoir than nothing.
What can cause a Optima engine to suddenly stop? Reasons your Optima car engine may suddenly stop include engine overheating, electrical troubles, mechanical issues, ignition system problems, faulty sensors, and low fuel.
Where can I go for Kia Optima repair? Your local Firestone Complete Auto Care has you covered with expert Optima engine repair. Schedule an appointment today and see us at one of our thousands of locations.