Why does the check engine light in my Carnival turn on when I start my car?

Generally, your check engine light turning on upon ignition is not a bad thing. This is just your Carnival testing its circuits. The light should go off shortly. Bring your vehicle in if it doesn't.

Are Kia Carnival engine noises bad?

Unusual noises can signal a problem with your Kia Carnival engine. Knocking or tapping could be a symptom of low oil. Whistling could mean a belt is misaligned or there's an intake leak. Squealing can indicate a loose fan belt, and grinding might be a sign of brake problems rather than engine issues.

What could damage my Kia Carnival engine?

Certain driving habits can hurt your engine. These habits include driving on an empty fuel tank, revving the engine while still in Park, or pushing 'the pedal to the metal' before the engine has warmed up. Help sustain your engine’s performance and efficiency by staying miles away from these bad driving practices.

Can I use water in my Kia Carnival radiator?

Only in emergencies. A 50/50 mix of coolant and water (or a pre-mixed) coolant is recommended. However, if you must keep driving when you're out of coolant, it's better to drive with water in your coolant reservoir than nothing.

What could cause my Carnival engine to suddenly stop?

There are different reasons your Carnival vehicle engine could suddenly stop. You may be looking at a lack of fuel, faulty sensors, issues with the ignition system, engine overheating, electrical problems, or mechanical troubles.

Who can repair my Kia Carnival engine?

For Kia Carnival engine repair, trust your local Firestone Complete Auto Care. You can make an appointment today at any of our thousands of locations across the U.S.

Engine Repairs for Your 2025 Kia Carnival

Learn about

2025 Kia Carnival Trim Options

Select your Kia Carnival trim level to learn more about Kia-recommended engine repair. Use the following chart to find information.

Repairs for Your 2025 Kia Carnival

Nothing lasts forever. Even your Kia Carnival's many parts and pieces. When something breaks or fails, we’re ready to help. Click on a repair below to learn more about 2025 Kia Carnival repairs.

We Care for Kia Carnival Engines

Kia Carnival engines are known for their reliability. You may have even been thinking about that when you bought it. Even so, pieces and parts can break down over time. Sometimes plans go sideways. When they do, you might find yourself searching for 2025 Kia Carnival engine repair or replacement parts. That's when it's time to head to Firestone Complete Auto Care. We've serviced millions of vehicles since 1926, and our professional technicians are trained to service Kia Carnival engines. If you think something’s wrong with your engine, schedule an appointment at your convenience. Firestone Complete Auto Care is a top choice for professional engine diagnosis, service, and repair at an affordable price.

My 2025 Kia Carnival Check Engine Light Is On

If your Carnival check engine light is on, it’s time to get it looked at. A steady or flashing check engine light could signal a serious issue with your car’s starter, Possible causes can include a failing oxygen sensor, bad spark plug, a clogged catalytic converter, or an engine vacuum leak, to name a few possible causes. Bring your Carnival to Firestone Complete Auto Care to get computerized diagnostics and we’ll figure out why that check engine light is giving you grief. Other signs it's time for Kia Carnival engine service might include essential fluid leaks, or engine misfiring.

2025 Carnival Engine Services

If your 2025 Kia Carnival needs engine repair, our technicians will provide you with a thorough explanation beforehand. We don't start working until we have your approval. 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 give you all the details you need to make an informed decision about your engine repairs. Turn to Firestone Complete Auto Care for your 2025 Carnival engine repairs and you can feel good knowing that we only use Kia-compliant replacement parts such as the timing belt, motor oil seal, ignition coil, or another part.

Engine Q&A 2025 Kia Carnival

Why does the check engine light in my Carnival turn on when I start my car? Generally, your check engine light turning on upon ignition is not a bad thing. This is just your Carnival testing its circuits. The light should go off shortly. Bring your vehicle in if it doesn't.
Are Kia Carnival engine noises bad? Unusual noises can signal a problem with your Kia Carnival engine. Knocking or tapping could be a symptom of low oil. Whistling could mean a belt is misaligned or there's an intake leak. Squealing can indicate a loose fan belt, and grinding might be a sign of brake problems rather than engine issues.
What could damage my Kia Carnival engine? Certain driving habits can hurt your engine. These habits include driving on an empty fuel tank, revving the engine while still in Park, or pushing 'the pedal to the metal' before the engine has warmed up. Help sustain your engine’s performance and efficiency by staying miles away from these bad driving practices.
Can I use water in my Kia Carnival radiator? Only in emergencies. A 50/50 mix of coolant and water (or a pre-mixed) coolant is recommended. However, if you must keep driving when you're out of coolant, it's better to drive with water in your coolant reservoir than nothing.
What could cause my Carnival engine to suddenly stop? There are different reasons your Carnival vehicle engine could suddenly stop. You may be looking at a lack of fuel, faulty sensors, issues with the ignition system, engine overheating, electrical problems, or mechanical troubles.
Who can repair my Kia Carnival engine? For Kia Carnival engine repair, trust your local Firestone Complete Auto Care. You can make an appointment today at any of our thousands of locations across the U.S.