Why does my GS400’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 GS400 testing its circuits. The light should go off shortly. Bring your vehicle in if it doesn't.

Are Lexus GS400 engine noises bad?

Strange under-the-hood noises can point to problems within your Lexus GS400 engine. 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 could be a sign that something is wrong with your brakes — not the engine.

What could damage a Lexus engine? [ordered-list-1-item-3-1]Are you unknowingly damaging your Lexus GS400 engine?

Some driving habits are not so great for your engine. These include driving on a near-empty gas tank, flooring the gas pedal while the car is in Park, or slamming the gas pedal while the engine is still cold. Steer clear of these habits to help protect engine performance and efficiency.

Is it okay to put water in my Lexus GS400 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 GS400 engine to suddenly stop?

If your GS400 car engine suddenly stops, it could be due to overheating, low fuel, a faulty ignition system, sensor problems, electrical system trouble, or mechanical issues.

Who repairs Lexus GS400 engines?

For Lexus GS400 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 1998 Lexus GS400

Learn about

1998 Lexus GS400 Trim Options

Select your Lexus GS400 trim level to learn more about Lexus-recommended engine repair. Even Lexus GS400 parts will get older and change.

V8/4.0L

Repairs for Your 1998 Lexus GS400

Stuff wears out. Even your Lexus GS400's many parts and pieces. We’re here to help when something stops working. Select a service or repair below to learn more about what we can do for your 1998 Lexus GS400.

We Know Lexus GS400 Engines

Lexus GS400 drivers trust that their GS400 will take them near and far. You may have even been thinking about that when you bought it. However, even your trustworthy engine is subject to wear and tear. Things can go wrong on the road. If the unexpected strikes, you may search the internet frantically for quick and affordable 1998 Lexus GS400 engine repairs. 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 GS400 engines. If you think something’s wrong with your engine, schedule an appointment at your convenience. Firestone Complete Auto Care is a top choice for professional engine diagnosis, service, and repair at an affordable price.

Illuminated Check Engine Light on 1998 Lexus GS400

If your GS400 check engine light is on, it’s time to get it looked at. A steady or flashing check engine light could signal a serious issue with your combustion, Possible causes can include a failing oxygen sensor, damaged spark plug, a problem with your catalytic converter, or a leak in the engine vacuum, but that's only a few of the possible causes. Bring your GS400 in for an on-board diagnostic check and we’ll figure out why that check engine light is giving you grief. Other signs it's time for Lexus GS400 engine service might include essential fluid leaks, or a sinking feeling that something’s wrong.

Engine Repairs for Your 1998 GS400

When your Lexus GS400 engine needs repairs, our technicians will make sure you understand what’s going on before they start working on your engine. We don't start working until we have your approval. 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 want to provide you with the information you need to make an informed engine repair decision. Choose Firestone Complete Auto Care for Lexus GS400 engine repairs and you can feel good knowing that we only use Lexus-compliant replacement parts such as the cambelt, oil gasket, sensors, or a different component.

Engine Q&A 1998 Lexus GS400

Why does my GS400’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 GS400 testing its circuits. The light should go off shortly. Bring your vehicle in if it doesn't.
Are Lexus GS400 engine noises bad? Strange under-the-hood noises can point to problems within your Lexus GS400 engine. 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 could be a sign that something is wrong with your brakes — not the engine.
What could damage a Lexus engine? [ordered-list-1-item-3-1]Are you unknowingly damaging your Lexus GS400 engine? Some driving habits are not so great for your engine. These include driving on a near-empty gas tank, flooring the gas pedal while the car is in Park, or slamming the gas pedal while the engine is still cold. Steer clear of these habits to help protect engine performance and efficiency.
Is it okay to put water in my Lexus GS400 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 GS400 engine to suddenly stop? If your GS400 car engine suddenly stops, it could be due to overheating, low fuel, a faulty ignition system, sensor problems, electrical system trouble, or mechanical issues.
Who repairs Lexus GS400 engines? For Lexus GS400 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.