Why does my RX450h’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. It’s just your RX450h firing up its circuits. The light should go off shortly. Bring your vehicle in if it doesn't.

Why is my Lexus RX450h making engine noise?

Strange under-the-hood noises can point to problems within your Lexus RX450h engine. Tapping or knocking could mean you need an oil change. Whistling sounds could mean you have an intake leak or misaligned belt. Squealing can indicate a loose fan belt, and grinding might be coming from the brakes, not the engine.

What could damage my Lexus RX450h engine?

Certain driving habits can damage your engine and should be avoided. These habits include 'running on fumes,' revving the engine while still 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 put water in my Lexus RX450h radiator?

It’s not recommended you put water in your RX450h 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 RX450h engine to suddenly stop?

Your RX450h car engine could stop suddenly due to low fuel, electrical issues, overheating, a faulty ignition system, mechanical troubles, or sensor problems.

Who repairs Lexus RX450h engines?

Your local Firestone Complete Auto Care has you covered with expert RX450h engine repair. Schedule an appointment today and see us at one of our thousands of locations.

Engine Repairs for Your 2020 Lexus RX450h

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2020 Lexus RX450h Trim Options

Select your Lexus RX450h trim level to learn more about Lexus-recommended engine repair. Use the following chart to find information.

V6/3.5L

2020 Lexus RX450h Repair

Stuff wears out. Even your Lexus RX450h’s engine parts and components will change. We’re here to help when something stops working. Select a service or repair below to learn more about what we can do for your 2020 Lexus RX450h.

We Know Lexus RX450h Engines

Lexus RX450h engines are known for their reliability. That might be why you bought it in the first place. However, even your trustworthy engine is subject to wear and tear. Sometimes plans go sideways. If they do, you’ll have to find a dependable 2020 Lexus service center — quick! That’s where Firestone Complete Auto Care comes in. We've serviced millions of vehicles since 1926, and our professional technicians are trained to service Lexus RX450h engines. If you think something’s wrong with your engine, schedule an appointment at your convenience. Firestone Complete Auto Care is a top choice for professional engine diagnosis, service, and repair at an affordable price.

Illuminated Check Engine Light on 2020 Lexus RX450h

If your RX450h check engine light is on, it’s time to get it looked at. 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. Causes may include a faulty oxygen sensor, bad spark plug, a clogged catalytic converter, or a leaking engine vacuum, to name a few potential sources. Bring your RX450h 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 it's time for Lexus RX450h engine service might include burning smells, or a sinking feeling that something’s wrong.

Engine Repairs for Your 2020 RX450h

If your 2020 Lexus RX450h needs engine repair, 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 can wait, 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 RX450h engine repairs and you can feel good knowing that we only use Lexus-compliant replacement parts such as the timing chain or belt, engine oil seal, ignition coil, or other parts.

2020 Lexus RX450h Engine Q&A

Why does my RX450h’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. It’s just your RX450h firing up its circuits. The light should go off shortly. Bring your vehicle in if it doesn't.
Why is my Lexus RX450h making engine noise? Strange under-the-hood noises can point to problems within your Lexus RX450h engine. Tapping or knocking could mean you need an oil change. Whistling sounds could mean you have an intake leak or misaligned belt. Squealing can indicate a loose fan belt, and grinding might be coming from the brakes, not the engine.
What could damage my Lexus RX450h engine? Certain driving habits can damage your engine and should be avoided. These habits include 'running on fumes,' revving the engine while still 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 put water in my Lexus RX450h radiator? It’s not recommended you put water in your RX450h 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 RX450h engine to suddenly stop? Your RX450h car engine could stop suddenly due to low fuel, electrical issues, overheating, a faulty ignition system, mechanical troubles, or sensor problems.
Who repairs Lexus RX450h engines? Your local Firestone Complete Auto Care has you covered with expert RX450h engine repair. Schedule an appointment today and see us at one of our thousands of locations.