Why does my GX470’s check engine light come on when I start it?

It's okay if your check engine light comes on when you first start your vehicle. This is just your GX470 testing its circuits. The light should turn off in a bit, but come see us if it doesn't.

Are Lexus GX470 engine noises bad?

Unusual noises can signal a problem with your Lexus GX470 engine. Knocking or tapping could be a symptom of low oil. Whistling could mean a belt is misaligned or there's an intake leak. Squealing can indicate a loose fan belt, and grinding might be a sign of brake problems rather than engine issues.

What could damage my Lexus GX470 engine?

Some driving habits are not so great for your engine. These include driving on a near-empty gas tank, 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 add water to my Lexus GX470 radiator?

It’s not recommended you put water in your GX470 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 the engine in my GX470 to suddenly stop?

If your GX470 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 GX470 engines?

Your local Firestone Complete Auto Care has you covered with expert GX470 engine repair. Schedule an appointment today and see us at one of our thousands of locations.

Engine Repairs for Your 2003 Lexus GX470

Learn about

2003 Lexus GX470 Trim Options

Select your Lexus GX470 trim level to learn more about Lexus-recommended engine repair. Use the following chart to find information.

V8/4.7L

Lexus GX470 Repairs and Services

Nothing lasts forever. Even your Lexus GX470’s engine parts and components will change. We’re here to help when something stops working. Select a repair or category to learn more about 2003 Lexus GX470 services.

We’re Trained to Care for Lexus GX470 Engines

The Lexus GX470 is respected for its reliability. You probably thought about that when you got 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 2003 Lexus GX470 engine repairs. Luckily, you won’t have to look far, since Firestone Complete Auto Care has 1,700+ locations across the country. Since 1926, we’ve taken care of 500 million+ cars, so you can rest assured knowing your Lexus GX470 engine will be in good hands. Schedule an appointment if you're experiencing problems that could require engine repair. Firestone Complete Auto Care offers both trustworthy and affordable engine repairs.

Check Engine Light on 2003 Lexus GX470

An illuminated check engine light on your Lexus GX470 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 system that won't go away on its own. Potential causes may include a faulty oxygen sensor, damaged spark plug, a clogged catalytic converter, or an engine vacuum leak, to name a few possible causes. Bring your GX470 in for an on-board diagnostic check and we'll determine exactly why your check engine light is on. engine pinging noises, essential fluid leaks, or a sinking feeling that something’s wrong.

2003 GX470 Engine Services

If your 2003 Lexus GX470 needs engine repair, our technicians will provide you with a thorough explanation beforehand. We make recommendations, but you make the final decision. If a service can wait, we’ll make sure you know. If it's necessary for your safety, we'll make sure you understand that, too. We seek to give you all the info you need to make a smart decision about our services. Turn to Firestone Complete Auto Care for your 2003 GX470 engine repairs and you can feel confident knowing that we use Lexus-approved parts and components like the serpentine belt, oil gasket, fuses, or a different component.

2003 Lexus GX470 Engine Q&A

Why does my GX470’s check engine light come on when I start it? It's okay if your check engine light comes on when you first start your vehicle. This is just your GX470 testing its circuits. The light should turn off in a bit, but come see us if it doesn't.
Are Lexus GX470 engine noises bad? Unusual noises can signal a problem with your Lexus GX470 engine. Knocking or tapping could be a symptom of low oil. Whistling could mean a belt is misaligned or there's an intake leak. Squealing can indicate a loose fan belt, and grinding might be a sign of brake problems rather than engine issues.
What could damage my Lexus GX470 engine? Some driving habits are not so great for your engine. These include driving on a near-empty gas tank, 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 add water to my Lexus GX470 radiator? It’s not recommended you put water in your GX470 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 the engine in my GX470 to suddenly stop? If your GX470 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 GX470 engines? Your local Firestone Complete Auto Care has you covered with expert GX470 engine repair. Schedule an appointment today and see us at one of our thousands of locations.