Why does the check engine light come on when I start my Sonata?

It’s usually normal for your check engine light to turn on upon ignition. This is just your Sonata testing its circuits. The dash light shouldn't stay on. If it does, you might want to bring your vehicle in for service.

Are Hyundai Sonata engine noises bad?

Unusual noises can signal a problem with your Hyundai Sonata engine. Tapping or knocking could mean you're low on oil. A high-pitched whistle could signal an intake leak or misaligned belt. Squealing may be caused by a loose fan belt, and grinding might be a sign of brake problems rather than engine issues.

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

Certain driving habits can damage your engine and should be avoided. These habits include 'running on fumes,' revving your engine while the vehicle is in Park, or slamming the gas pedal while the engine is still cold. Protect your engine’s performance and efficiency by distancing yourself from these habits.

Is it okay to put 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 could cause my Sonata engine to suddenly stop?

If your Sonata car engine suddenly stops, it could be due to overheating, low fuel, a faulty ignition system, sensor problems, electrical system trouble, or mechanical issues.

Who can repair my Hyundai Sonata engine?

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

Reliable Repairs for 2009 Hyundai Sonata Engines

Learn about

2009 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.

L4/2.4L

V6/3.3L

Hyundai Sonata Repairs and Services

Stuff wears out. Even your Hyundai Sonata’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 2009 Hyundai Sonata repairs.

We Know Hyundai Sonata Engines

Hyundai Sonata 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 2009 Hyundai Sonata engine repair or replacement parts. That's when it's time to head to Firestone Complete Auto Care. 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. After all, Firestone Complete Auto Care is one of the most popular picks for professional engine repairs thanks to its service and affordability.

My 2009 Hyundai Sonata Check Engine Light Is On

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 combustion, Potential causes may include a faulty oxygen sensor, bad spark plug, issues with your catalytic converter, or a leaking engine vacuum, to name a few potential sources. Bring your Sonata to Firestone Complete Auto Care to get computerized diagnostics and we'll determine exactly why your check engine light is on. engine rattling, essential fluid leaks, or a sinking feeling that something’s wrong.

Engine Repairs for Your 2009 Sonata

When your Hyundai Sonata engine needs repairs, our technicians will make sure you understand what’s going on before they start working on your engine. We never do any work without your sign-off. 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. Turn to Firestone Complete Auto Care for your 2009 Sonata engine repairs and you can drive easy knowing that we use Hyundai-approved parts and fluids — cambelt, motor oil seal, ignition coil, or other parts.

2009 Hyundai Sonata Engine Q&A

Why does the check engine light come on when I start my Sonata? It’s usually normal for your check engine light to turn on upon ignition. This is just your Sonata testing its circuits. The dash light shouldn't stay on. If it does, you might want to bring your vehicle in for service.
Are Hyundai Sonata engine noises bad? Unusual noises can signal a problem with your Hyundai Sonata engine. Tapping or knocking could mean you're low on oil. A high-pitched whistle could signal an intake leak or misaligned belt. Squealing may be caused by a loose fan belt, and grinding might be a sign of brake problems rather than engine issues.
What could damage a Hyundai engine? [ordered-list-1-item-3-1]Are you unknowingly damaging your Hyundai Sonata engine? Certain driving habits can damage your engine and should be avoided. These habits include 'running on fumes,' revving your engine while the vehicle is in Park, or slamming the gas pedal while the engine is still cold. Protect your engine’s performance and efficiency by distancing yourself from these habits.
Is it okay to put 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 could cause my Sonata engine to suddenly stop? If your Sonata car engine suddenly stops, it could be due to overheating, low fuel, a faulty ignition system, sensor problems, electrical system trouble, or mechanical issues.
Who can repair my Hyundai Sonata engine? Your local Firestone Complete Auto Care has you covered with expert Sonata engine repair. Schedule an appointment today and see us at one of our thousands of locations.