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 light should go off shortly. Bring your vehicle in if it doesn't.

Why does my Hyundai engine sound different?

Unusual noises can signal a problem with your Hyundai Sonata engine. Tapping or knocking could mean you need an oil change. A high-pitched whistle could signal an intake leak or misaligned belt. Squealing may be caused by a loose fan belt, and grinding could be a sign that something is wrong with your brakes — not the engine.

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

Some driving habits are not so great for your engine. These include driving on a near-empty gas tank, flooring the gas pedal while the car is in Park, or pushing 'the pedal to the metal' before the engine has warmed up. Steer clear of these habits to help protect engine performance and efficiency.

Can I put water in my Hyundai Sonata radiator?

An emergency is the only time you should consider putting water in your radiator. Outside of that, it’s recommended you use a pre-mixed coolant or a 50/50 blend of water and coolant. However, if you need to continue driving your Sonata when you’re out of coolant, having water in the coolant reservoir is better than nothing.

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.

Where can I go for Hyundai Sonata repair?

Your local Firestone Complete Auto Care fixes Hyundai Sonata engines. Book an appointment today! We have thousands of locations across the country.

2004 Hyundai Sonata Engine Repair

Learn about

2004 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

V6/2.7L

Repairs for Your 2004 Hyundai Sonata

Stuff wears out. Even your Hyundai Sonata’s engine parts and components will change. 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 2004 Hyundai Sonata.

We’re Trained to Care for Hyundai Sonata Engines

Hyundai Sonata drivers trust that their Sonata will take them near and far. You probably thought about that when you got it. However, even your trustworthy engine is subject to wear and tear. Things can go sideways sometimes. When they do, you might find yourself searching for 2004 Hyundai Sonata engine repair or replacement parts. That’s where Firestone Complete Auto Care comes in. We've serviced more than 500 million vehicles since 1926, and our technicians know Hyundai Sonata engines. Schedule a courtesy inspection at the first sign of engine trouble. Firestone Complete Auto Care is a top choice for professional engine diagnosis, service, and repair at an affordable price.

My 2004 Hyundai Sonata Check Engine Light Is On

If your Sonata check engine light is on, it’s time to get it looked at. A check engine light that’s on or flashing could be a symptom of a serious problem in your car’s starter, Possible causes can include a failing oxygen sensor, damaged spark plug, issues with your catalytic converter, or a leaking engine vacuum, but that's only a few of the possible causes. Stop by your local Firestone Complete Auto Care to get your Sonata issues diagnosed and we'll determine exactly why your check engine light is on. engine pinging noises, oil leaks, or engine misfiring.

2004 Sonata Engine Services

If your 2004 Hyundai Sonata needs engine repair, 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 repair isn’t urgent right now, 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 2004 Sonata engine repairs and you can feel confident knowing that we use Hyundai-approved parts and components like the cambelt, engine oil seal, ignition coil, or another part.

Engine Q&A 2004 Hyundai Sonata

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 light should go off shortly. Bring your vehicle in if it doesn't.
Why does my Hyundai engine sound different? Unusual noises can signal a problem with your Hyundai Sonata engine. Tapping or knocking could mean you need an oil change. A high-pitched whistle could signal an intake leak or misaligned belt. Squealing may be caused by a loose fan belt, and grinding could be a sign that something is wrong with your brakes — not the engine.
What could damage a Hyundai engine? [ordered-list-1-item-3-1]Are you unknowingly damaging your Hyundai Sonata engine? Some driving habits are not so great for your engine. These include driving on a near-empty gas tank, flooring the gas pedal while the car is in Park, or pushing 'the pedal to the metal' before the engine has warmed up. Steer clear of these habits to help protect engine performance and efficiency.
Can I put water in my Hyundai Sonata radiator? An emergency is the only time you should consider putting water in your radiator. Outside of that, it’s recommended you use a pre-mixed coolant or a 50/50 blend of water and coolant. However, if you need to continue driving your Sonata when you’re out of coolant, having water in the coolant reservoir is better than nothing.
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.
Where can I go for Hyundai Sonata repair? Your local Firestone Complete Auto Care fixes Hyundai Sonata engines. Book an appointment today! We have thousands of locations across the country.