Why does my LC500h’s check engine light come on when I start it?

Generally, your check engine light turning on upon ignition is not a bad thing. It’s just your LC500h firing up its circuits. The dash light shouldn't stay on. If it does, you might want to bring your vehicle in for service.

Why does my Lexus engine sound different?

Strange under-the-hood noises can point to problems within your Lexus LC500h engine. Tapping or knocking could mean you're low on oil. Whistling sounds could mean you have 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 LC500h 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 pushing 'the pedal to the metal' before the engine has warmed up. Help sustain your engine’s performance and efficiency by staying miles away from these bad driving practices.

Is it okay to put water in my Lexus LC500h radiator?

It’s not recommended you put water in your LC500h 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 can cause the engine in my LC500h to suddenly stop?

Your LC500h car engine could stop suddenly due to low fuel, electrical issues, overheating, a faulty ignition system, mechanical troubles, or sensor problems.

Who fixes Lexus LC500h engines?

For Lexus LC500h 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 2018 Lexus LC500h Engines

Learn about

2018 Lexus LC500h Trim Options

Select your Lexus LC500h trim level to learn more about Lexus-recommended engine repair. Even Lexus LC500h parts will get older and change.

V6/3.5L

Lexus LC500h Repairs and Services

Nothing stays the same forever. Even your Lexus LC500h's many parts and pieces. We’re here to help when something stops working. Select a repair or category to learn more about 2018 Lexus LC500h services.

We Care for Lexus LC500h Engines

Lexus LC500h engines are known for their reliability. That might be why you bought it in the first place. However, the wear-proof engine has yet to be invented! Things can go wrong on the road. If they do, you’ll have to find a dependable 2018 Lexus service center — quick! 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 LC500h 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.

My 2018 Lexus LC500h Check Engine Light Is On

An illuminated check engine light on your Lexus LC500h 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, Possible causes can include a failing oxygen sensor, worn spark plug, issues with your catalytic converter, or a leak in the engine vacuum, but that's only a few of the possible causes. Stop by your local Firestone Complete Auto Care to get your LC500h issues diagnosed and our expert techs will get the root of the problem. engine pinging noises, burning smells, or misfiring.

Lexus LC500h Engine Repair

If your 2018 Lexus LC500h 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 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 want to provide you with the information you need to make an informed engine repair decision. Choose Firestone Complete Auto Care for Lexus LC500h engine repairs and you can feel good knowing that we only use Lexus-compliant replacement parts such as the timing chain or belt, motor oil seal, sensors, or other parts.

2018 Lexus LC500h Engine Q&A

Why does my LC500h’s check engine light come on when I start it? Generally, your check engine light turning on upon ignition is not a bad thing. It’s just your LC500h firing up its circuits. The dash light shouldn't stay on. If it does, you might want to bring your vehicle in for service.
Why does my Lexus engine sound different? Strange under-the-hood noises can point to problems within your Lexus LC500h engine. Tapping or knocking could mean you're low on oil. Whistling sounds could mean you have 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 LC500h 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 pushing 'the pedal to the metal' before the engine has warmed up. Help sustain your engine’s performance and efficiency by staying miles away from these bad driving practices.
Is it okay to put water in my Lexus LC500h radiator? It’s not recommended you put water in your LC500h 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 can cause the engine in my LC500h to suddenly stop? Your LC500h car engine could stop suddenly due to low fuel, electrical issues, overheating, a faulty ignition system, mechanical troubles, or sensor problems.
Who fixes Lexus LC500h engines? For Lexus LC500h 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.