Why does the check engine light in my GS300 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 a sign that your vehicle is testing its circuits. The dash light shouldn't stay on. If it does, you might want to bring your vehicle in for service.

Why does my Lexus engine sound different?

Strange under-the-hood noises can point to problems within your Lexus GS300 engine. Tapping or knocking could mean you're low on oil. Whistling could mean a belt is misaligned or there's an intake leak. Squealing may be caused by a loose fan belt, and grinding might be a sign of brake problems rather than engine issues.

What could damage a Lexus engine? [ordered-list-1-item-3-1]Are you unknowingly damaging your Lexus GS300 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 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 GS300 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 GS300 engine to suddenly stop?

Reasons your GS300 car engine may suddenly stop include engine overheating, electrical troubles, mechanical issues, ignition system problems, faulty sensors, and low fuel.

Who fixes Lexus GS300 engines?

Your local Firestone Complete Auto Care offers Lexus GS300 engine repair. Schedule an appointment today at one of our thousands of locations nationwide!

Engine Repairs for Your 2003 Lexus GS300

Learn about

2003 Lexus GS300 Trim Options

Select your Lexus GS300 trim level to learn more about Lexus-recommended engine repair. Even Lexus GS300 parts will get older and change.

L6/3.0L

Repairs for Your 2003 Lexus GS300

Nothing stays the same forever. Even your Lexus GS300’s engine parts and components will change. 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 2003 Lexus GS300.

We Care for Lexus GS300 Engines

Lexus GS300 drivers trust that their GS300 will take them near and far. That might be why you bought it in the first place. However, the wear-proof engine has yet to be invented! Sometimes plans go sideways. If the unexpected strikes, you may search the internet frantically for quick and affordable 2003 Lexus GS300 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 GS300 engines. Schedule a courtesy inspection at the first sign of engine trouble. Firestone Complete Auto Care is a top choice for professional engine diagnosis, service, and repair at an affordable price.

Check Engine Light on 2003 Lexus GS300

An illuminated check engine light on your Lexus GS300 is one of the first signs it's time to 'brake' for engine service. A check engine light that’s flashing or steadily illuminated could point to problems with your or emission control system that won’t go away on its own. Possible causes can include a failing oxygen sensor, damaged spark plug, issues with your catalytic converter, or a leak in the engine vacuum, to name a few possible causes. Stop by your local Firestone Complete Auto Care to get your GS300 issues diagnosed and we’ll figure out why that check engine light is giving you grief. Other signs your Lexus GS300 engine needs some TLC are essential fluid leaks, or engine misfiring.

Lexus GS300 Engine Repair

If your 2003 GS300 engine needs repairs, our technicians will provide you with a thorough explanation beforehand. We don't start working until we have your approval. 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 seek to give you all the info you need to make a smart decision about our services. By choosing Firestone Complete Auto Care for GS300 engine repairs and you can drive easy knowing that we use Lexus-approved parts and fluids — timing chain or belt, engine oil seal, sensors, or other parts.

Questions About 2003 Lexus GS300 Engines

Why does the check engine light in my GS300 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 a sign that your vehicle is testing its circuits. The dash light shouldn't stay on. If it does, you might want to bring your vehicle in for service.
Why does my Lexus engine sound different? Strange under-the-hood noises can point to problems within your Lexus GS300 engine. Tapping or knocking could mean you're low on oil. Whistling could mean a belt is misaligned or there's an intake leak. Squealing may be caused by a loose fan belt, and grinding might be a sign of brake problems rather than engine issues.
What could damage a Lexus engine? [ordered-list-1-item-3-1]Are you unknowingly damaging your Lexus GS300 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 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 GS300 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 GS300 engine to suddenly stop? Reasons your GS300 car engine may suddenly stop include engine overheating, electrical troubles, mechanical issues, ignition system problems, faulty sensors, and low fuel.
Who fixes Lexus GS300 engines? Your local Firestone Complete Auto Care offers Lexus GS300 engine repair. Schedule an appointment today at one of our thousands of locations nationwide!