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 does my Hyundai engine sound different?

Unusual noises can signal a problem with your Hyundai Sonata engine. Tapping or knocking could mean you're low on oil. Whistling sounds could mean you have an intake leak or misaligned belt. Squealing can indicate a loose fan belt, and grinding might be a sign of brake problems rather than engine issues.

What could damage my Hyundai Sonata engine?

Certain driving habits can hurt your engine. These habits include driving on an empty fuel tank, flooring the gas pedal while the car 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 use water in my Hyundai Sonata radiator?

It’s not recommended you put water in your Sonata radiator unless it’s an emergency. Under normal circumstances, use a 50/50 mix of water and coolant or a pre-mixed coolant. But, if you need to keep driving while out of coolant, using water is better than driving with an empty coolant reservoir.

What can cause the engine in my Sonata to suddenly stop?

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

Who can repair my Hyundai Sonata engine?

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 2023 Hyundai Sonata Engines

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2023 Hyundai Sonata Trim Options

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

L4/1.6L

L4/2.5L

2023 Hyundai Sonata Repair

Nothing lasts forever. Even your Hyundai Sonata’s engine parts and components will change. When something breaks or fails, we’re ready to help. Select a repair or category to learn more about 2023 Hyundai Sonata services.

We Know Hyundai Sonata Engines

The Hyundai Sonata is respected for its reliability. You may have even been thinking about that when you bought it. However, even your trustworthy engine is subject to wear and tear. Sometimes plans go sideways. When they do, you might find yourself searching for 2023 Hyundai Sonata engine repair or replacement parts. That's when it's time to head to Firestone Complete Auto Care. We've serviced more than 500 million vehicles since 1926, and our technicians know Hyundai Sonata 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.

Illuminated Check Engine Light on 2023 Hyundai Sonata

An illuminated check engine light on your Hyundai Sonata 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 car’s ignition, Causes may include a faulty oxygen sensor, bad spark plug, a problem 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 our expert techs will get the root of the problem. rattling sounds, oil leaks, or a sinking feeling that something’s wrong.

Engine Repairs for Your 2023 Sonata

If your 2023 Hyundai Sonata needs engine repair, our expert techs will let you know what needs to be done and why before they get started. We don't start working until we have your approval. If a service can wait, we’ll make sure you know. But if immediate repairs are necessary for your safety, we’ll make sure that's clear, too. We seek to give you all the info you need to make a smart decision about our services. Turn to Firestone Complete Auto Care for your 2023 Sonata engine repairs and you can feel good knowing that we only use Hyundai-compliant replacement parts such as the timing belt, oil gasket, sensors, or a different component.

2023 Hyundai Sonata Engine Q&A

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 does my Hyundai engine sound different? Unusual noises can signal a problem with your Hyundai Sonata engine. Tapping or knocking could mean you're low on oil. Whistling sounds could mean you have an intake leak or misaligned belt. Squealing can indicate a loose fan belt, and grinding might be a sign of brake problems rather than engine issues.
What could damage my Hyundai Sonata engine? Certain driving habits can hurt your engine. These habits include driving on an empty fuel tank, flooring the gas pedal while the car 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 use water in my Hyundai Sonata radiator? It’s not recommended you put water in your Sonata radiator unless it’s an emergency. Under normal circumstances, use a 50/50 mix of water and coolant or a pre-mixed coolant. But, if you need to keep driving while out of coolant, using water is better than driving with an empty coolant reservoir.
What can cause the engine in my Sonata to suddenly stop? Reasons your Sonata car engine may suddenly stop include engine overheating, electrical troubles, mechanical issues, ignition system problems, faulty sensors, and low fuel.
Who can repair my Hyundai Sonata engine? 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.