Why does the check engine light in my RX450h turn on when I start my car?

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.

Why does my Lexus engine sound different?

Strange engine sounds can be a sign something’s off in your Lexus RX450h. Tapping or knocking could mean you're low on oil. Whistling sounds could mean you have 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 RX450h 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. Protect your engine’s performance and efficiency by distancing yourself from these habits.

Can I use water in my Lexus RX450h 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.

Why did my RX450h engine suddenly stop?

If your RX450h 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 RX450h engine?

For Lexus RX450h engine repair, trust your local Firestone Complete Auto Care. You can make an appointment today at any of our thousands of locations across the U.S.

Reliable Repairs for 2021 Lexus RX450h Engines

Learn about

2021 Lexus RX450h Trim Options

Select your Lexus RX450h trim level to learn more about Lexus-recommended engine repair. Even Lexus RX450h parts will get older and change.

V6/3.5L

Lexus RX450h Repairs and Services

Nothing stays the same forever. Even your Lexus RX450h's many parts and pieces. When something breaks or fails, we’re ready to help. Select a repair or category to learn more about 2021 Lexus RX450h services.

We Know Lexus RX450h Engines

The Lexus RX450h is respected for its 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 RX450h engine repairs. That’s where Firestone Complete Auto Care comes in. We've serviced more than 500 million vehicles since 1926, and our technicians know Lexus RX450h engines. If you think something’s wrong with your engine, schedule an appointment at your convenience. Firestone Complete Auto Care offers both trustworthy and affordable engine repairs.

Check Engine Light on 2021 Lexus RX450h

If your RX450h 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 car’s starter, Causes may include a faulty oxygen sensor, bad spark plug, a problem with your catalytic converter, or a leaking engine vacuum, to name a few potential sources. Stop by your local Firestone Complete Auto Care to get your RX450h issues diagnosed and we’ll figure out why that check engine light is giving you grief. rattling sounds, burning smells, or engine misfiring.

2021 RX450h Engine Services

If your 2021 RX450h engine needs repairs, our expert techs will let you know what needs to be done and why before they get started. 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. Turn to Firestone Complete Auto Care for your 2021 RX450h engine repairs and you can feel confident knowing that we use Lexus-approved parts and components like the serpentine belt, oil gasket, sensors, or other parts.

Questions About 2021 Lexus RX450h Engines

Why does the check engine light in my RX450h turn on when I start my car? 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.
Why does my Lexus engine sound different? Strange engine sounds can be a sign something’s off in your Lexus RX450h. Tapping or knocking could mean you're low on oil. Whistling sounds could mean you have 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 RX450h 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. Protect your engine’s performance and efficiency by distancing yourself from these habits.
Can I use water in my Lexus RX450h 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.
Why did my RX450h engine suddenly stop? If your RX450h 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 RX450h engine? For Lexus RX450h engine repair, trust your local Firestone Complete Auto Care. You can make an appointment today at any of our thousands of locations across the U.S.