Why does the check engine light come on when I start my RX300?

It’s usually normal for your check engine light to turn on upon ignition. This is a sign that your vehicle is testing its circuits. The light should turn off in a bit, but come see us if it doesn't.

Are Lexus RX300 engine noises bad?

Unusual noises can signal a problem with your Lexus RX300 engine. Tapping or knocking could mean you're low on oil. A high-pitched whistle could signal an intake leak or misaligned belt. Squealing can be traced back to a loose fan belt, and grinding might be a sign of brake problems rather than engine issues.

What could damage my Lexus RX300 engine?

Certain driving habits can hurt your engine. These habits include driving on an empty fuel tank, flooring the gas pedal while the car is in Park, or accelerating too quickly, too soon. Steer clear of these habits to help protect engine performance and efficiency.

Can I use water in my Lexus RX300 radiator?

It’s not recommended you put water in your RX300 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 could cause my RX300 engine to suddenly stop?

There are different reasons your RX300 vehicle engine could suddenly stop. You may be looking at a lack of fuel, faulty sensors, issues with the ignition system, engine overheating, electrical problems, or mechanical troubles.

Who fixes Lexus RX300 engines?

Your local Firestone Complete Auto Care offers Lexus RX300 engine repair. Schedule an appointment today at one of our thousands of locations nationwide!

Engine Repairs for Your 2003 Lexus RX300

Learn about

2003 Lexus RX300 Trim Options

Select your Lexus RX300 trim level to learn more about Lexus-recommended engine repair. Use the following chart to find information.

V6/3.0L

Lexus RX300 Repairs and Services

Nothing lasts forever. Even your Lexus RX300’s engine parts and components will change. When something breaks or fails, we’re ready to help. Select a repair or category to learn more about 2003 Lexus RX300 services.

We Care for Lexus RX300 Engines

Lexus RX300 engines are known for their reliability. You may have even been thinking about that when you bought 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 2003 Lexus RX300 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 more than 500 million vehicles since 1926, and our technicians know Lexus RX300 engines. Schedule an appointment if you're experiencing problems that could require engine repair. After all, Firestone Complete Auto Care is one of the most popular picks for professional engine repairs thanks to its service and affordability.

My 2003 Lexus RX300 Check Engine Light Is On

If your RX300 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 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. Bring your RX300 to Firestone Complete Auto Care to get computerized diagnostics and our expert techs will get the root of the problem. Other signs your Lexus RX300 engine needs some TLC are essential fluid leaks, or engine misfiring.

Lexus RX300 Engine Repair

If your 2003 Lexus RX300 needs engine repair, our technicians will provide you with a thorough explanation beforehand. We never do any work without your sign-off. 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 give you all the details you need to make an informed decision about your engine repairs. Choose Firestone Complete Auto Care for Lexus RX300 engine repairs and you can feel confident knowing that we use Lexus-approved parts and components like the timing belt, valve guide seal, fuses, or other parts.

2003 Lexus RX300 Engine Q&A

Why does the check engine light come on when I start my RX300? It’s usually normal for your check engine light to turn on upon ignition. This is a sign that your vehicle is testing its circuits. The light should turn off in a bit, but come see us if it doesn't.
Are Lexus RX300 engine noises bad? Unusual noises can signal a problem with your Lexus RX300 engine. Tapping or knocking could mean you're low on oil. A high-pitched whistle could signal an intake leak or misaligned belt. Squealing can be traced back to a loose fan belt, and grinding might be a sign of brake problems rather than engine issues.
What could damage my Lexus RX300 engine? Certain driving habits can hurt your engine. These habits include driving on an empty fuel tank, flooring the gas pedal while the car is in Park, or accelerating too quickly, too soon. Steer clear of these habits to help protect engine performance and efficiency.
Can I use water in my Lexus RX300 radiator? It’s not recommended you put water in your RX300 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 could cause my RX300 engine to suddenly stop? There are different reasons your RX300 vehicle engine could suddenly stop. You may be looking at a lack of fuel, faulty sensors, issues with the ignition system, engine overheating, electrical problems, or mechanical troubles.
Who fixes Lexus RX300 engines? Your local Firestone Complete Auto Care offers Lexus RX300 engine repair. Schedule an appointment today at one of our thousands of locations nationwide!