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

Generally, your check engine light turning on upon ignition is not a bad thing. This is just your RX450h 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 RX450h engine. Knocking or tapping could be a symptom of low 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 coming from the brakes, not the engine.

What could damage my Lexus RX450h 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. Protect your engine’s performance and efficiency by distancing yourself from these habits.

Is it okay to put water in my Lexus RX450h radiator?

An emergency is the only time you should consider putting water in your radiator. Outside of that, it’s recommended you use a pre-mixed coolant or a 50/50 blend of water and coolant. However, if you need to continue driving your RX450h when you’re out of coolant, having water in the coolant reservoir is better than nothing.

What can cause a RX450h engine to 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?

Your local Firestone Complete Auto Care fixes Lexus RX450h engines. Book an appointment today! We have thousands of locations across the country.

Reliable Repairs for 2018 Lexus RX450h Engines

Learn about

2018 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

2018 Lexus RX450h Repair

Nothing stays the same forever. Even your Lexus RX450h’s engine parts and components will change. We’re here to help when something stops working. Click on a repair below to learn more about 2018 Lexus RX450h repairs.

We’re Trained to Care for Lexus RX450h Engines

Lexus RX450h drivers trust that their RX450h will take them near and far. That might be why you bought it in the first place. However, the wear-proof engine has yet to be invented! Things can go sideways sometimes. If they do, you’ll have to find a dependable 2018 Lexus service center — quick! That's when it's time to head to Firestone Complete Auto Care. Since 1926, we’ve taken care of 500 million+ cars, so you can rest assured knowing your Lexus RX450h engine will be in good hands. 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.

Check Engine Light on 2018 Lexus RX450h

As soon as your RX450h check engine light turns on, it’s time to get an expert’s opinion. A check engine light that’s flashing or steadily illuminated could point to problems with your or emission control system that won’t go away on its own. Potential causes may include a faulty oxygen sensor, damaged spark plug, issues with your 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 determine exactly why your check engine light is on. rattling sounds, burning smells, or misfiring.

Engine Repairs for Your 2018 RX450h

When your Lexus RX450h engine needs repairs, our technicians will make sure you understand what’s going on before they start working on your engine. We never do any work without your sign-off. If a repair can wait, we'll let you know. If it's necessary for your safety, we'll make sure you understand that, too. We want to provide you with the information you need to make an informed engine repair decision. Choose Firestone Complete Auto Care for Lexus RX450h engine repairs and you can drive easy knowing that we use Lexus-approved parts and fluids — timing chain or belt, motor oil seal, sensors, or other parts.

2018 Lexus RX450h Engine Q&A

Why does the check engine light in my RX450h turn on when I start my car? Generally, your check engine light turning on upon ignition is not a bad thing. This is just your RX450h 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 RX450h engine. Knocking or tapping could be a symptom of low 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 coming from the brakes, not the engine.
What could damage my Lexus RX450h 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. Protect your engine’s performance and efficiency by distancing yourself from these habits.
Is it okay to put water in my Lexus RX450h radiator? An emergency is the only time you should consider putting water in your radiator. Outside of that, it’s recommended you use a pre-mixed coolant or a 50/50 blend of water and coolant. However, if you need to continue driving your RX450h when you’re out of coolant, having water in the coolant reservoir is better than nothing.
What can cause a RX450h engine to 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? Your local Firestone Complete Auto Care fixes Lexus RX450h engines. Book an appointment today! We have thousands of locations across the country.