Why does my RX350h’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 RX350h 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 RX350h engine. Tapping or knocking could mean you're low on oil. Whistling sounds could mean you have an intake leak or misaligned belt. Squealing can indicate a loose fan belt, and grinding could be a sign that something is wrong with your brakes — not the engine.

What could damage a Lexus engine? [ordered-list-1-item-3-1]Are you unknowingly damaging your Lexus RX350h 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 slamming the gas pedal while the engine is still cold. Help sustain your engine’s performance and efficiency by staying miles away from these bad driving practices.

Can I use water in my Lexus RX350h radiator?

While it’s not recommended, you can use water in your RX350h radiator in emergencies. Normally, you should only use a 50/50 mix of coolant and water or a pre-mixed coolant. However, if you are completely out of coolant and must continue driving, it’s better to have water in your coolant reservoir than nothing.

What can cause a RX350h engine to suddenly stop?

If your RX350h car engine suddenly stops, it could be due to overheating, low fuel, a faulty ignition system, sensor problems, electrical system trouble, or mechanical issues.

Where can I go for Lexus RX350h repair?

Your local Firestone Complete Auto Care offers Lexus RX350h engine repair. Schedule an appointment today at one of our thousands of locations nationwide!

2023 Lexus RX350h Engine Repair

Learn about

2023 Lexus RX350h Trim Options

Select your Lexus RX350h trim level to learn more about Lexus-recommended engine repair. Use the following chart to find information.

L4/2.5L

Repairs for Your 2023 Lexus RX350h

Stuff wears out. Even your Lexus RX350h’s engine parts and components will change. When something breaks or fails, we’re ready to help. Select a service or repair below to learn more about what we can do for your 2023 Lexus RX350h.

We Care for Lexus RX350h Engines

The Lexus RX350h is respected for its reliability. That might be why you bought it in the first place. Even so, pieces and parts can break down over time. Things can go sideways sometimes. If the unexpected strikes, you may search the internet frantically for quick and affordable 2023 Lexus RX350h 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 RX350h 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.

Check Engine Light on 2023 Lexus RX350h

If your RX350h 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, damaged spark plug, a clogged catalytic converter, or a leaking engine vacuum, but that's only a few of the possible causes. Bring your RX350h to Firestone Complete Auto Care to get computerized diagnostics and we’ll figure out why that check engine light is giving you grief. Other signs your Lexus RX350h engine needs some TLC are oil leaks, or a sinking feeling that something’s wrong.

Lexus RX350h Engine Repair

When your Lexus RX350h engine needs repairs, our expert techs will let you know what needs to be done and why before they get started. We don't start working until we have your approval. 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. By choosing Firestone Complete Auto Care for RX350h engine repairs and you can drive easy knowing that we use Lexus-approved parts and fluids — serpentine belt, valve guide seal, sensors, or other parts.

Questions About 2023 Lexus RX350h Engines

Why does my RX350h’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 RX350h 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 RX350h engine. Tapping or knocking could mean you're low on oil. Whistling sounds could mean you have an intake leak or misaligned belt. Squealing can indicate a loose fan belt, and grinding could be a sign that something is wrong with your brakes — not the engine.
What could damage a Lexus engine? [ordered-list-1-item-3-1]Are you unknowingly damaging your Lexus RX350h 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 slamming the gas pedal while the engine is still cold. Help sustain your engine’s performance and efficiency by staying miles away from these bad driving practices.
Can I use water in my Lexus RX350h radiator? While it’s not recommended, you can use water in your RX350h radiator in emergencies. Normally, you should only use a 50/50 mix of coolant and water or a pre-mixed coolant. However, if you are completely out of coolant and must continue driving, it’s better to have water in your coolant reservoir than nothing.
What can cause a RX350h engine to suddenly stop? If your RX350h car engine suddenly stops, it could be due to overheating, low fuel, a faulty ignition system, sensor problems, electrical system trouble, or mechanical issues.
Where can I go for Lexus RX350h repair? Your local Firestone Complete Auto Care offers Lexus RX350h engine repair. Schedule an appointment today at one of our thousands of locations nationwide!