Why does my LS500’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 LS500 firing up its circuits. The light should go off shortly. Bring your vehicle in if it doesn't.

Why is my Lexus LS500 making engine noise?

Unusual noises can signal a problem with your Lexus LS500 engine. Knocking or tapping could be a symptom of low oil. Whistling could mean a belt is misaligned or there's an intake leak. 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 Lexus engine? [ordered-list-1-item-3-1]Are you unknowingly damaging your Lexus LS500 engine?

Certain driving habits can damage your engine and should be avoided. These habits include 'running on fumes,' revving the engine while still in Park, or slamming the gas pedal while the engine is still cold. Help sustain your engine’s performance and efficiency by staying miles away from these bad driving practices.

Can I put water in my Lexus LS500 radiator?

It’s not recommended you put water in your LS500 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 a LS500 engine to suddenly stop?

If your LS500 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 Lexus LS500 repair?

Your local Firestone Complete Auto Care has you covered with expert LS500 engine repair. Schedule an appointment today and see us at one of our thousands of locations.

Engine Repairs for Your 2021 Lexus LS500

Learn about

2021 Lexus LS500 Trim Options

Select your Lexus LS500 trim level to learn more about Lexus-recommended engine repair. Even Lexus LS500 parts will get older and change.

V6/3.4L

Lexus LS500 Repairs and Services

Nothing stays the same forever. Even your Lexus LS500’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 2021 Lexus LS500.

We Care for Lexus LS500 Engines

The Lexus LS500 is respected for its reliability. You probably thought about that when you got it. However, even your trustworthy engine is subject to wear and tear. Things can go wrong on the road. If they do, you’ll have to find a dependable 2021 Lexus service center — quick! Luckily, you won’t have to look far, since Firestone Complete Auto Care has 1,700+ locations across the country. We've serviced millions of vehicles since 1926, and our professional technicians are trained to service Lexus LS500 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.

Check Engine Light on 2021 Lexus LS500

An illuminated check engine light on your Lexus LS500 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 or emission system, and it won’t go away by ignoring it. Potential causes may include a faulty oxygen sensor, damaged spark plug, a problem with your catalytic converter, or an engine vacuum leak, to name a few potential sources. Bring your LS500 to Firestone Complete Auto Care to get computerized diagnostics and we'll determine exactly why your check engine light is on. Other signs it's time for Lexus LS500 engine service might include oil leaks, or engine misfiring.

Lexus LS500 Engine Repair

If your 2021 Lexus LS500 needs engine repair, our technicians will make sure you understand what’s going on before they start working on your engine. We make recommendations, but you make the final decision. 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 seek to give you all the info you need to make a smart decision about our services. Turn to Firestone Complete Auto Care for your 2021 LS500 engine repairs and you can feel confident knowing that we use Lexus-approved parts and components like the timing chain or belt, valve guide seal, sensors, or other parts.

2021 Lexus LS500 Engine Q&A

Why does my LS500’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 LS500 firing up its circuits. The light should go off shortly. Bring your vehicle in if it doesn't.
Why is my Lexus LS500 making engine noise? Unusual noises can signal a problem with your Lexus LS500 engine. Knocking or tapping could be a symptom of low oil. Whistling could mean a belt is misaligned or there's an intake leak. 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 Lexus engine? [ordered-list-1-item-3-1]Are you unknowingly damaging your Lexus LS500 engine? Certain driving habits can damage your engine and should be avoided. These habits include 'running on fumes,' revving the engine while still in Park, or slamming the gas pedal while the engine is still cold. Help sustain your engine’s performance and efficiency by staying miles away from these bad driving practices.
Can I put water in my Lexus LS500 radiator? It’s not recommended you put water in your LS500 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 a LS500 engine to suddenly stop? If your LS500 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 Lexus LS500 repair? Your local Firestone Complete Auto Care has you covered with expert LS500 engine repair. Schedule an appointment today and see us at one of our thousands of locations.