Why does my G90’s check engine light come on when I start it?

It's okay if your check engine light comes on when you first start your vehicle. 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.

Are Genesis G90 engine noises bad?

Unusual noises can signal a problem with your Genesis G90 engine. Tapping or knocking could mean you need an oil change. Whistling could mean a belt is misaligned or there's an intake leak. Squealing can indicate a loose fan belt, and grinding might be a sign of brake problems rather than engine issues.

What could damage my Genesis G90 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 accelerating too quickly, too soon. Help sustain your engine’s performance and efficiency by staying miles away from these bad driving practices.

Can I use water in my Genesis G90 radiator?

Only in emergencies. A 50/50 mix of coolant and water (or a pre-mixed) coolant is recommended. However, if you must keep driving when you're out of coolant, it's better to drive with water in your coolant reservoir than nothing.

What can cause a G90 engine to suddenly stop?

If your G90 car engine suddenly stops, it could be due to overheating, low fuel, a faulty ignition system, sensor problems, electrical system trouble, or mechanical issues.

Where can I go for Genesis G90 repair?

Your local Firestone Complete Auto Care has you covered with expert G90 engine repair. Schedule an appointment today and see us at one of our thousands of locations.

Reliable Repairs for 2018 Genesis G90 Engines

Learn about

2018 Genesis G90 Trim Options

Select your Genesis G90 trim level to learn more about Genesis-recommended engine repair. Use the following chart to find information.

V6/3.3L

V8/5.0L

2018 Genesis G90 Repair

Nothing stays the same forever. Even your Genesis G90’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 2018 Genesis G90 services.

We Care for Genesis G90 Engines

Genesis G90 drivers trust that their G90 will take them near and far. You may have even been thinking about that when you bought it. Even so, pieces and parts can break down over time. Things can go sideways sometimes. When they do, you might find yourself searching for 2018 Genesis G90 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 Genesis G90 engines. Schedule an appointment if you're experiencing problems that could require engine repair. Firestone Complete Auto Care offers both trustworthy and affordable engine repairs.

My 2018 Genesis G90 Check Engine Light Is On

If your G90 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 combustion, Causes may include a faulty oxygen sensor, worn spark plug, issues with your catalytic converter, or a leaking engine vacuum, but that's only a few of the possible causes. Bring your G90 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 2018 G90

If your 2018 Genesis G90 needs engine repair, 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. If it's necessary for your safety, we'll make sure you understand that, too. We seek to give you all the info you need to make a smart decision about our services. Choose Firestone Complete Auto Care for Genesis G90 engine repairs and you can drive easy knowing that we use Genesis-approved parts and fluids — serpentine belt, engine oil seal, fuses, or other parts.

2018 Genesis G90 Engine Q&A

Why does my G90’s check engine light come on when I start it? It's okay if your check engine light comes on when you first start your vehicle. 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.
Are Genesis G90 engine noises bad? Unusual noises can signal a problem with your Genesis G90 engine. Tapping or knocking could mean you need an oil change. Whistling could mean a belt is misaligned or there's an intake leak. Squealing can indicate a loose fan belt, and grinding might be a sign of brake problems rather than engine issues.
What could damage my Genesis G90 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 accelerating too quickly, too soon. Help sustain your engine’s performance and efficiency by staying miles away from these bad driving practices.
Can I use water in my Genesis G90 radiator? Only in emergencies. A 50/50 mix of coolant and water (or a pre-mixed) coolant is recommended. However, if you must keep driving when you're out of coolant, it's better to drive with water in your coolant reservoir than nothing.
What can cause a G90 engine to suddenly stop? If your G90 car engine suddenly stops, it could be due to overheating, low fuel, a faulty ignition system, sensor problems, electrical system trouble, or mechanical issues.
Where can I go for Genesis G90 repair? Your local Firestone Complete Auto Care has you covered with expert G90 engine repair. Schedule an appointment today and see us at one of our thousands of locations.