Why does the check engine light come on when I start my XG350?

Generally, your check engine light turning on upon ignition is not a bad thing. It’s just your XG350 firing up its circuits. The light should go off shortly. Bring your vehicle in if it doesn't.

Why does my Hyundai engine sound different?

Strange under-the-hood noises can point to problems within your Hyundai XG350 engine. Tapping or knocking could mean you're low on oil. A high-pitched whistle could signal an intake leak or misaligned belt. Squealing can be traced back to a loose fan belt, and grinding might be coming from the brakes, not the engine.

What could damage a Hyundai engine? [ordered-list-1-item-3-1]Are you unknowingly damaging your Hyundai XG350 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 slamming the gas pedal while the engine is still cold. Protect your engine’s performance and efficiency by distancing yourself from these habits.

Can I add water to my Hyundai XG350 radiator?

While it’s not recommended, you can use water in your XG350 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.

What can cause the engine in my XG350 to suddenly stop?

Your XG350 car engine could stop suddenly due to low fuel, electrical issues, overheating, a faulty ignition system, mechanical troubles, or sensor problems.

Who fixes Hyundai XG350 engines?

For Hyundai XG350 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 2004 Hyundai XG350 Engines

Learn about

2004 Hyundai XG350 Trim Options

Select your Hyundai XG350 trim level to learn more about Hyundai-recommended engine repair. Even Hyundai XG350 parts will get older and change.

V6/3.5L

Hyundai XG350 Repairs and Services

Nothing stays the same forever. Even your Hyundai XG350's many parts and pieces. We’re here to help when something stops working. Select a repair or category to learn more about 2004 Hyundai XG350 services.

We Know Hyundai XG350 Engines

Hyundai XG350 engines are known for their reliability. That might be why you bought it in the first place. Even so, pieces and parts can break down over time. Things can go sideways sometimes. If the unexpected strikes, you may search the internet frantically for quick and affordable 2004 Hyundai XG350 engine repairs. Luckily, you won’t have to look far, since Firestone Complete Auto Care has 1,700+ locations across the country. We've serviced more than 500 million vehicles since 1926, and our technicians know Hyundai XG350 engines. Schedule a courtesy inspection at the first sign of engine trouble. Firestone Complete Auto Care offers both trustworthy and affordable engine repairs.

My 2004 Hyundai XG350 Check Engine Light Is On

As soon as your XG350 check engine light turns on, it’s time to get an expert’s opinion. A check engine light that’s flashing or steadily illuminated could point to problems with your fuel, Causes may include a faulty oxygen sensor, worn spark plug, a problem with your catalytic converter, or a leak in the engine vacuum, to name a few possible causes. Bring your XG350 to Firestone Complete Auto Care to get computerized diagnostics and we’ll figure out why that check engine light is giving you grief. engine pinging noises, burning smells, or misfiring.

Hyundai XG350 Engine Repair

If your 2004 Hyundai XG350 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. We'll also tell you if it's necessary for your safety. We seek to give you all the info you need to make a smart decision about our services. Choose Firestone Complete Auto Care for Hyundai XG350 engine repairs and you can drive easy knowing that we use Hyundai-approved parts and fluids — cambelt, motor oil seal, sensors, or another part.

Engine Q&A 2004 Hyundai XG350

Why does the check engine light come on when I start my XG350? Generally, your check engine light turning on upon ignition is not a bad thing. It’s just your XG350 firing up its circuits. The light should go off shortly. Bring your vehicle in if it doesn't.
Why does my Hyundai engine sound different? Strange under-the-hood noises can point to problems within your Hyundai XG350 engine. Tapping or knocking could mean you're low on oil. A high-pitched whistle could signal an intake leak or misaligned belt. Squealing can be traced back to a loose fan belt, and grinding might be coming from the brakes, not the engine.
What could damage a Hyundai engine? [ordered-list-1-item-3-1]Are you unknowingly damaging your Hyundai XG350 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 slamming the gas pedal while the engine is still cold. Protect your engine’s performance and efficiency by distancing yourself from these habits.
Can I add water to my Hyundai XG350 radiator? While it’s not recommended, you can use water in your XG350 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.
What can cause the engine in my XG350 to suddenly stop? Your XG350 car engine could stop suddenly due to low fuel, electrical issues, overheating, a faulty ignition system, mechanical troubles, or sensor problems.
Who fixes Hyundai XG350 engines? For Hyundai XG350 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.