Why does my LS400’s check engine light come on when I start it?

Generally, your check engine light turning on upon ignition is not a bad thing. This is just your LS400 testing its circuits. The light should go off shortly. Bring your vehicle in if it doesn't.

Why does my Lexus engine sound different?

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 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 a Lexus engine? [ordered-list-1-item-3-1]Are you unknowingly damaging your Lexus LS400 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.

Can I use water in my Lexus LS400 radiator?

It’s not recommended you put water in your LS400 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 LS400 engine to suddenly stop?

If your LS400 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 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.

Reliable Repairs for 1997 Lexus LS400 Engines

Learn about

1997 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

Lexus LS400 Repairs and Services

Stuff wears out. Even your Lexus LS400's many parts and pieces. 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 1997 Lexus LS400.

We Know Lexus LS400 Engines

The Lexus LS400 is respected for its reliability. You probably thought about that when you got it. Even so, pieces and parts can break down over time. Things can go sideways sometimes. If the unexpected strikes, you may search the internet frantically for quick and affordable 1997 Lexus LS400 engine repairs. That’s where Firestone Complete Auto Care comes in. Since 1926, we’ve taken care of 500 million+ cars, so you can rest assured knowing your Lexus LS400 engine will be in good hands. Schedule a courtesy inspection at the first sign of engine trouble. Firestone Complete Auto Care offers both trustworthy and affordable engine repairs.

Check Engine Light on 1997 Lexus LS400

If your LS400 check engine light is on, it’s time to get it looked at. A check engine light that’s on or flashing could be a symptom of a serious problem in your vehicle's ignition, Causes may include a faulty oxygen sensor, bad spark plug, a problem with your catalytic converter, or a leak in the engine vacuum, to name a few potential sources. Bring your LS400 in for an on-board diagnostic check and we'll determine exactly why your check engine light is on. Other signs it's time for Lexus LS400 engine service might include essential fluid leaks, or a sinking feeling that something’s wrong.

Engine Repairs for Your 1997 LS400

If your 1997 Lexus LS400 needs engine repair, our expert techs will let you know what needs to be done and why before they get started. We don't start working until we have your approval. If a repair isn’t urgent right now, we’ll let you know. We'll also tell you if it's necessary for your safety. We seek to give you all the info you need to make a smart decision about our services. Choose Firestone Complete Auto Care for Lexus LS400 engine repairs and you can feel good knowing that we only use Lexus-compliant replacement parts such as the cambelt, oil gasket, fuses, or other parts.

Questions About 1997 Lexus LS400 Engines

Why does my LS400’s check engine light come on when I start it? Generally, your check engine light turning on upon ignition is not a bad thing. This is just your LS400 testing its circuits. The light should go off shortly. Bring your vehicle in if it doesn't.
Why does my Lexus engine sound different? 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 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 a Lexus engine? [ordered-list-1-item-3-1]Are you unknowingly damaging your Lexus LS400 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.
Can I use water in my Lexus LS400 radiator? It’s not recommended you put water in your LS400 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 LS400 engine to suddenly stop? If your LS400 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 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.