Why does my GS450h’s check engine light come on when I start it?

It’s usually normal for your check engine light to turn on upon ignition. It’s just your GS450h firing up its circuits. The dash light shouldn't stay on. If it does, you might want to bring your vehicle in for service.

Why is my Lexus GS450h making engine noise?

Strange engine sounds can be a sign something’s off in your Lexus GS450h. Tapping or knocking could mean you need an oil change. A high-pitched whistle could signal 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 GS450h engine?

Certain driving habits can hurt your engine. These habits include driving on an empty fuel tank, revving the engine while still in Park, or pushing 'the pedal to the metal' before the engine has warmed up. Steer clear of these habits to help protect engine performance and efficiency.

Is it okay to put water in my Lexus GS450h 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 GS450h engine to suddenly stop?

Reasons your GS450h car engine may suddenly stop include engine overheating, electrical troubles, mechanical issues, ignition system problems, faulty sensors, and low fuel.

Who fixes Lexus GS450h engines?

Your local Firestone Complete Auto Care fixes Lexus GS450h engines. Book an appointment today! We have thousands of locations across the country.

Engine Repairs for Your 2016 Lexus GS450h

Learn about

2016 Lexus GS450h Trim Options

Select your Lexus GS450h trim level to learn more about Lexus-recommended engine repair. Use the following chart to find information.

Lexus GS450h Repairs and Services

Stuff wears out. Even your Lexus GS450h’s engine parts and components will change. We’re here to help when something stops working. Click on a repair below to learn more about 2016 Lexus GS450h repairs.

We Know Lexus GS450h Engines

The Lexus GS450h is respected for its reliability. You probably thought about that when you got it. However, the wear-proof engine has yet to be invented! Things can go sideways sometimes. If the unexpected strikes, you may search the internet frantically for quick and affordable 2016 Lexus GS450h engine repairs. That’s where Firestone Complete Auto Care comes in. We've serviced millions of vehicles since 1926, and our professional technicians are trained to service Lexus GS450h 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.

My 2016 Lexus GS450h Check Engine Light Is On

As soon as your GS450h check engine light turns on, it’s time to get an expert’s opinion. A steady or flashing check engine light could signal a serious issue with your or emission system, and it won’t go away by ignoring it. Potential causes may include a faulty oxygen sensor, worn spark plug, a problem with your catalytic converter, or a leaking engine vacuum, but that's only a few of the possible causes. Stop by your local Firestone Complete Auto Care to get your GS450h issues diagnosed and we'll determine exactly why your check engine light is on. Other signs it's time for Lexus GS450h engine service might include oil leaks, or engine misfiring.

Engine Repairs for Your 2016 GS450h

If your 2016 Lexus GS450h 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 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 GS450h engine repairs and you can drive easy knowing that we use Lexus-approved parts and fluids — timing belt, valve guide seal, ignition coil, or other parts.

Engine Q&A 2016 Lexus GS450h

Why does my GS450h’s check engine light come on when I start it? It’s usually normal for your check engine light to turn on upon ignition. It’s just your GS450h firing up its circuits. The dash light shouldn't stay on. If it does, you might want to bring your vehicle in for service.
Why is my Lexus GS450h making engine noise? Strange engine sounds can be a sign something’s off in your Lexus GS450h. Tapping or knocking could mean you need an oil change. A high-pitched whistle could signal 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 GS450h engine? Certain driving habits can hurt your engine. These habits include driving on an empty fuel tank, revving the engine while still in Park, or pushing 'the pedal to the metal' before the engine has warmed up. Steer clear of these habits to help protect engine performance and efficiency.
Is it okay to put water in my Lexus GS450h 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 GS450h engine to suddenly stop? Reasons your GS450h car engine may suddenly stop include engine overheating, electrical troubles, mechanical issues, ignition system problems, faulty sensors, and low fuel.
Who fixes Lexus GS450h engines? Your local Firestone Complete Auto Care fixes Lexus GS450h engines. Book an appointment today! We have thousands of locations across the country.