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

Generally, your check engine light turning on upon ignition is not a bad thing. This is a sign that your vehicle is testing its circuits. The dash light shouldn't stay on. If it does, you might want to bring your vehicle in for service.

Why is my Hyundai Sonata making engine noise?

Strange engine sounds can be a sign something’s off in your Hyundai Sonata. 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 be traced back to a loose fan belt, and grinding might be coming from the brakes, not the engine.

What could damage my Hyundai Sonata engine?

Certain driving habits can damage your engine and should be avoided. These habits include 'running on fumes,' revving the engine while still in Park, or accelerating too quickly, too soon. Protect your engine’s performance and efficiency by distancing yourself from these habits.

Can I add water to my Hyundai Sonata radiator?

While it’s not recommended, you can use water in your Sonata 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.

Why did my Sonata engine suddenly stop?

There are different reasons your Sonata 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 repairs Hyundai Sonata engines?

For Hyundai Sonata 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.

Reliable Repairs for 2018 Hyundai Sonata Engines

Learn about

2018 Hyundai Sonata Trim Options

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

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

2018 Hyundai Sonata Repair

Nothing lasts forever. Even your Hyundai Sonata's many parts and pieces. When something breaks or fails, we’re ready to help. Select a service or repair below to learn more about what we can do for your 2018 Hyundai Sonata.

We Know Hyundai Sonata Engines

The Hyundai Sonata is respected for its reliability. That might be why you bought it in the first place. However, the wear-proof engine has yet to be invented! Things can go sideways sometimes. If the unexpected strikes, you may search the internet frantically for quick and affordable 2018 Hyundai Sonata engine repairs. That’s where Firestone Complete Auto Care comes in. Since 1926, we’ve taken care of 500 million+ cars, so you can rest assured knowing your Hyundai Sonata engine will be in good hands. 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.

Check Engine Light on 2018 Hyundai Sonata

As soon as your Sonata check engine light turns on, it’s time to get an expert’s opinion. A steady or flashing check engine light could signal a serious issue with your or emission system, and it won’t go away by ignoring it. Potential causes may include a faulty oxygen sensor, worn spark plug, issues with your catalytic converter, or an engine vacuum leak, but that's only a few of the possible causes. Bring your Sonata in for an on-board diagnostic check and we’ll figure out why that check engine light is giving you grief. Other signs your Hyundai Sonata engine needs some TLC are oil leaks, or a sinking feeling that something’s wrong.

Hyundai Sonata Engine Repair

When your Hyundai Sonata engine needs repairs, our technicians will provide you with a thorough explanation beforehand. We don't start working until we have your approval. If a repair can wait, we'll let you know. But if immediate repairs are necessary for your safety, we’ll make sure that's clear, 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 2018 Sonata engine repairs and you can feel confident knowing that we use Hyundai-approved parts and components like the timing belt, engine oil seal, sensors, or other parts.

Engine Q&A 2018 Hyundai Sonata

Why does the check engine light in my Sonata turn on when I start my car? Generally, your check engine light turning on upon ignition is not a bad thing. This is a sign that your vehicle is testing its circuits. The dash light shouldn't stay on. If it does, you might want to bring your vehicle in for service.
Why is my Hyundai Sonata making engine noise? Strange engine sounds can be a sign something’s off in your Hyundai Sonata. 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 be traced back to a loose fan belt, and grinding might be coming from the brakes, not the engine.
What could damage my Hyundai Sonata engine? Certain driving habits can damage your engine and should be avoided. These habits include 'running on fumes,' revving the engine while still in Park, or accelerating too quickly, too soon. Protect your engine’s performance and efficiency by distancing yourself from these habits.
Can I add water to my Hyundai Sonata radiator? While it’s not recommended, you can use water in your Sonata 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.
Why did my Sonata engine suddenly stop? There are different reasons your Sonata 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 repairs Hyundai Sonata engines? For Hyundai Sonata 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.