Why does the check engine light in my IS300 turn on when I start my car?

It’s usually normal for your check engine light to turn on upon ignition. This is just your IS300 testing its circuits. The light should go off shortly. Bring your vehicle in if it doesn't.

Why does my Lexus engine sound different?

Unusual noises can signal a problem with your Lexus IS300 engine. Knocking or tapping could be a symptom of low oil. Whistling sounds could mean you have an intake leak or misaligned belt. Squealing may be caused by a loose fan belt, and grinding might be coming from the brakes, not the engine.

What could damage my Lexus IS300 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 slamming the gas pedal while the engine is still cold. Steer clear of these habits to help protect engine performance and efficiency.

Can I use water in my Lexus IS300 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 could cause my IS300 engine to suddenly stop?

If your IS300 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 can repair my Lexus IS300 engine?

Your local Firestone Complete Auto Care has you covered with expert IS300 engine repair. Schedule an appointment today and see us at one of our thousands of locations.

Engine Repairs for Your 2021 Lexus IS300

Learn about

2021 Lexus IS300 Trim Options

Select your Lexus IS300 trim level to learn more about Lexus-recommended engine repair. Even Lexus IS300 parts will get older and change.

L4/2.0L

V6/3.5L

2021 Lexus IS300 Repair

Nothing lasts forever. Even your Lexus IS300's many parts and pieces. When something breaks, we're ready. Select a service or repair below to learn more about what we can do for your 2021 Lexus IS300.

We’re Trained to Care for Lexus IS300 Engines

Lexus IS300 engines are known for their reliability. You probably thought about that when you got it. 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 2021 Lexus IS300 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 IS300 engines. If you think something’s wrong with your engine, schedule an appointment at your convenience. After all, Firestone Complete Auto Care is one of the most popular picks for professional engine repairs thanks to its service and affordability.

Illuminated Check Engine Light on 2021 Lexus IS300

An illuminated check engine light on your Lexus IS300 is one of the first signs it's time to 'brake' for engine service. A check engine light that’s on or flashing could be a symptom of a serious problem in your car’s ignition, Potential causes may include a faulty oxygen sensor, bad spark plug, a clogged catalytic converter, or a leaking engine vacuum, but that's only a few of the possible causes. Bring your IS300 in for an on-board diagnostic check and our expert techs will get the root of the problem. rattling sounds, burning smells, or engine misfiring.

Lexus IS300 Engine Repair

If your 2021 Lexus IS300 needs engine repair, our technicians will make sure you understand what’s going on before they start working on your engine. We make recommendations, but you make the final decision. If a repair isn’t urgent right now, we’ll let 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. By choosing Firestone Complete Auto Care for IS300 engine repairs and you can drive easy knowing that we use Lexus-approved parts and fluids — serpentine belt, valve guide seal, fuses, or a different component.

2021 Lexus IS300 Engine Q&A

Why does the check engine light in my IS300 turn on when I start my car? It’s usually normal for your check engine light to turn on upon ignition. This is just your IS300 testing its circuits. The light should go off shortly. Bring your vehicle in if it doesn't.
Why does my Lexus engine sound different? Unusual noises can signal a problem with your Lexus IS300 engine. Knocking or tapping could be a symptom of low oil. Whistling sounds could mean you have an intake leak or misaligned belt. Squealing may be caused by a loose fan belt, and grinding might be coming from the brakes, not the engine.
What could damage my Lexus IS300 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 slamming the gas pedal while the engine is still cold. Steer clear of these habits to help protect engine performance and efficiency.
Can I use water in my Lexus IS300 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 could cause my IS300 engine to suddenly stop? If your IS300 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 can repair my Lexus IS300 engine? Your local Firestone Complete Auto Care has you covered with expert IS300 engine repair. Schedule an appointment today and see us at one of our thousands of locations.