Why does the check engine light in my LS500h turn on when I start my car?

It's okay if your check engine light comes on when you first start your vehicle. This is just your LS500h testing its circuits. The dash light shouldn't stay on. If it does, you might want to bring your vehicle in for service.

Are Lexus LS500h engine noises bad?

Strange under-the-hood noises can point to problems within your Lexus LS500h engine. Tapping or knocking could mean you're low on oil. Whistling sounds could mean you have an intake leak or misaligned belt. Squealing can indicate 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 damage your engine and should be avoided. These habits include 'running on fumes,' revving the engine while still in Park, or pushing 'the pedal to the metal' before the engine has warmed up. 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 can cause a LS500h engine to suddenly stop?

Reasons your LS500h car engine may suddenly stop include engine overheating, electrical troubles, mechanical issues, ignition system problems, faulty sensors, and low fuel.

Who can repair my Lexus LS500h engine?

Your local Firestone Complete Auto Care fixes Lexus LS500h engines. Book an appointment today! We have thousands of locations across the country.

Engine Repairs for Your 2021 Lexus LS500h

Learn about

2021 Lexus LS500h Trim Options

Select your Lexus LS500h trim level to learn more about Lexus-recommended engine repair. Even Lexus LS500h parts will get older and change.

V6/3.5L

Lexus LS500h Repairs and Services

Nothing stays the same forever. Even your Lexus LS500h’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 LS500h.

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. Even so, pieces and parts can break down over time. Sometimes plans go sideways. When they do, you might find yourself searching for 2021 Lexus LS500h engine repair or replacement parts. 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 LS500h engines. Schedule a courtesy inspection at the first sign of engine trouble. Firestone Complete Auto Care offers both trustworthy and affordable engine repairs.

Illuminated Check Engine Light on 2021 Lexus LS500h

An illuminated check engine light on your Lexus LS500h is one of the first signs it's time to 'brake' for engine service. A steady or flashing check engine light could signal a serious issue with your or emission control system that won’t go away on its own. Possible causes can include a failing 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 LS500h in for an on-board diagnostic check and we’ll figure out why that check engine light is giving you grief. engine pinging noises, essential fluid leaks, or misfiring.

Engine Repairs for Your 2021 LS500h

When your Lexus LS500h engine needs repairs, our technicians will provide you with a thorough explanation beforehand. We never do any work without your sign-off. If a repair can wait, we'll let you know. But if immediate repairs are necessary for your safety, we’ll make sure that's clear, too. We want to give you all the details you need to make an informed decision about your engine repairs. Choose Firestone Complete Auto Care for Lexus LS500h engine repairs and you can drive easy knowing that we use Lexus-approved parts and fluids — timing belt, engine oil seal, sensors, or another part.

Engine Q&A 2021 Lexus LS500h

Why does the check engine light in my LS500h turn on when I start my car? It's okay if your check engine light comes on when you first start your vehicle. This is just your LS500h testing its circuits. The dash light shouldn't stay on. If it does, you might want to bring your vehicle in for service.
Are Lexus LS500h engine noises bad? Strange under-the-hood noises can point to problems within your Lexus LS500h engine. Tapping or knocking could mean you're low on oil. Whistling sounds could mean you have an intake leak or misaligned belt. Squealing can indicate 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 damage your engine and should be avoided. These habits include 'running on fumes,' revving the engine while still in Park, or pushing 'the pedal to the metal' before the engine has warmed up. 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 can cause a LS500h engine to suddenly stop? Reasons your LS500h car engine may suddenly stop include engine overheating, electrical troubles, mechanical issues, ignition system problems, faulty sensors, and low fuel.
Who can repair my Lexus LS500h engine? Your local Firestone Complete Auto Care fixes Lexus LS500h engines. Book an appointment today! We have thousands of locations across the country.