Why does my LS500h’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 light should turn off in a bit, but come see us if it doesn't.

Are Lexus LS500h engine noises bad?

Strange engine sounds can be a sign something’s off in your Lexus LS500h. Knocking or tapping could be a symptom of low 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 coming from the brakes, not the engine.

What could damage my Lexus LS500h 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. Protect your engine’s performance and efficiency by distancing yourself from these habits.

Can I add water to my Lexus LS500h 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 could cause my LS500h engine to suddenly stop?

Your LS500h car engine could stop suddenly due to low fuel, electrical issues, overheating, a faulty ignition system, mechanical troubles, or sensor problems.

Where can I go for Lexus LS500h repair?

Your local Firestone Complete Auto Care has you covered with expert LS500h engine repair. Schedule an appointment today and see us at one of our thousands of locations.

2023 Lexus LS500h Engine Repair

Learn about

2023 Lexus LS500h Trim Options

Select your Lexus LS500h trim level to learn more about Lexus-recommended engine repair. Use the following chart to find information.

V6/3.5L

Lexus LS500h Repairs and Services

Stuff wears out. Even your Lexus LS500h’s engine parts and components will change. When something breaks, we're ready. Click on a repair below to learn more about 2023 Lexus LS500h repairs.

We’re Trained to Care for Lexus LS500h Engines

Lexus LS500h drivers trust that their LS500h will take them near and far. You probably thought about that when you got it. However, the wear-proof engine has yet to be invented! Sometimes plans go sideways. If the unexpected strikes, you may search the internet frantically for quick and affordable 2023 Lexus LS500h engine repairs. Luckily, you won’t have to look far, since Firestone Complete Auto Care has 1,700+ locations across the country. Since 1926, we’ve taken care of 500 million+ cars, so you can rest assured knowing your Lexus LS500h engine will be in good hands. Schedule a courtesy inspection at the first sign of engine trouble. After all, Firestone Complete Auto Care is one of the most popular picks for professional engine repairs thanks to its service and affordability.

Illuminated Check Engine Light on 2023 Lexus LS500h

If your LS500h check engine light is on, it’s time to get it looked at. A check engine light that’s flashing or steadily illuminated could point to problems with your or emission system that won't go away on its own. Potential causes may include a faulty oxygen sensor, worn spark plug, issues with your catalytic converter, or a leaking engine vacuum, to name a few potential sources. Bring your LS500h in for an on-board diagnostic check and our expert techs will get the root of the problem. Other signs it's time for Lexus LS500h engine service might include burning smells, or a sinking feeling that something’s wrong.

Lexus LS500h Engine Repair

If your 2023 LS500h engine needs repairs, our technicians will provide you with a thorough explanation beforehand. We make recommendations, but you make the final decision. 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. By choosing Firestone Complete Auto Care for LS500h engine repairs and you can feel good knowing that we only use Lexus-compliant replacement parts such as the timing chain or belt, valve guide seal, ignition coil, or other parts.

Engine Q&A 2023 Lexus LS500h

Why does my LS500h’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 light should turn off in a bit, but come see us if it doesn't.
Are Lexus LS500h engine noises bad? Strange engine sounds can be a sign something’s off in your Lexus LS500h. Knocking or tapping could be a symptom of low 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 coming from the brakes, not the engine.
What could damage my Lexus LS500h 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. Protect your engine’s performance and efficiency by distancing yourself from these habits.
Can I add water to my Lexus LS500h 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 could cause my LS500h engine to suddenly stop? Your LS500h car engine could stop suddenly due to low fuel, electrical issues, overheating, a faulty ignition system, mechanical troubles, or sensor problems.
Where can I go for Lexus LS500h repair? Your local Firestone Complete Auto Care has you covered with expert LS500h engine repair. Schedule an appointment today and see us at one of our thousands of locations.