Why does the check engine light in my LS400 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 LS400 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 LS400 engine noises bad?

Strange engine sounds can be a sign something’s off in your Lexus LS400. Tapping or knocking could mean you need an oil change. Whistling could mean a belt is misaligned or there's an intake leak. Squealing may be caused by a loose fan belt, and grinding could be a sign that something is wrong with your brakes — not the engine.

What could damage my Lexus LS400 engine?

Some driving habits are not so great for your engine. These include driving on a near-empty gas tank, 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 use water in my Lexus LS400 radiator?

An emergency is the only time you should consider putting water in your radiator. Outside of that, it’s recommended you use a pre-mixed coolant or a 50/50 blend of water and coolant. However, if you need to continue driving your LS400 when you’re out of coolant, having water in the coolant reservoir is better than nothing.

What could cause my LS400 engine to suddenly stop?

There are different reasons your LS400 vehicle engine could suddenly stop. You may be looking at a lack of fuel, faulty sensors, issues with the ignition system, engine overheating, electrical problems, or mechanical troubles.

Where can I go for Lexus LS400 repair?

For Lexus LS400 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.

Engine Repairs for Your 2000 Lexus LS400

Learn about

2000 Lexus LS400 Trim Options

Select your Lexus LS400 trim level to learn more about Lexus-recommended engine repair. Even Lexus LS400 parts will get older and change.

V8/4.0L

Repairs for Your 2000 Lexus LS400

Nothing stays the same forever. Even your Lexus LS400's many parts and pieces. When something breaks, we're ready. Select a service or repair below to learn more about what we can do for your 2000 Lexus LS400.

We’re Trained to Care for Lexus LS400 Engines

Lexus LS400 drivers trust that their LS400 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! Things can go sideways sometimes. When they do, you might find yourself searching for 2000 Lexus LS400 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 Lexus LS400 engines. Schedule an appointment if you're experiencing problems that could require engine repair. 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 2000 Lexus LS400

As soon as your LS400 check engine light turns on, it’s time to get an expert’s opinion. A check engine light that’s flashing or steadily illuminated could point to problems with your combustion, Possible causes can include a failing oxygen sensor, bad spark plug, issues with your catalytic converter, or a leaking engine vacuum, to name a few possible causes. Bring your LS400 to Firestone Complete Auto Care to get computerized diagnostics and our expert techs will get the root of the problem. engine rattling, burning smells, or misfiring.

2000 LS400 Engine Services

If your 2000 Lexus LS400 needs engine repair, our technicians will provide you with a thorough explanation beforehand. We make recommendations, but you make the final decision. 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. By choosing Firestone Complete Auto Care for LS400 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 another part.

Questions About 2000 Lexus LS400 Engines

Why does the check engine light in my LS400 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 LS400 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 LS400 engine noises bad? Strange engine sounds can be a sign something’s off in your Lexus LS400. Tapping or knocking could mean you need an oil change. Whistling could mean a belt is misaligned or there's an intake leak. Squealing may be caused by a loose fan belt, and grinding could be a sign that something is wrong with your brakes — not the engine.
What could damage my Lexus LS400 engine? Some driving habits are not so great for your engine. These include driving on a near-empty gas tank, 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 use water in my Lexus LS400 radiator? An emergency is the only time you should consider putting water in your radiator. Outside of that, it’s recommended you use a pre-mixed coolant or a 50/50 blend of water and coolant. However, if you need to continue driving your LS400 when you’re out of coolant, having water in the coolant reservoir is better than nothing.
What could cause my LS400 engine to suddenly stop? There are different reasons your LS400 vehicle engine could suddenly stop. You may be looking at a lack of fuel, faulty sensors, issues with the ignition system, engine overheating, electrical problems, or mechanical troubles.
Where can I go for Lexus LS400 repair? For Lexus LS400 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.