Why does the check engine light in my RX400h turn on when I start my car?

Generally, your check engine light turning on upon ignition is not a bad thing. This is a sign that your vehicle is testing its circuits. The dash light shouldn't stay on. If it does, you might want to bring your vehicle in for service.

Why is my Lexus RX400h making engine noise?

Strange under-the-hood noises can point to problems within your Lexus RX400h engine. Knocking or tapping could be a symptom of low oil. A high-pitched whistle could signal 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 RX400h 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. Steer clear of these habits to help protect engine performance and efficiency.

Can I put water in my Lexus RX400h radiator?

While it’s not recommended, you can use water in your RX400h 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.

Why did my RX400h engine suddenly stop?

Your RX400h car engine could stop suddenly due to low fuel, electrical issues, overheating, a faulty ignition system, mechanical troubles, or sensor problems.

Where can I go for Lexus RX400h repair?

Your local Firestone Complete Auto Care offers Lexus RX400h engine repair. Schedule an appointment today at one of our thousands of locations nationwide!

Reliable Repairs for 2007 Lexus RX400h Engines

Learn about

2007 Lexus RX400h Trim Options

Select your Lexus RX400h trim level to learn more about Lexus-recommended engine repair. Even Lexus RX400h parts will get older and change.

V6/3.3L

Repairs for Your 2007 Lexus RX400h

Nothing stays the same forever. Even your Lexus RX400h’s engine parts and components will change. We’re here to help when something stops working. Select a repair or category to learn more about 2007 Lexus RX400h services.

We Care for Lexus RX400h Engines

Lexus RX400h engines are known for their reliability. You probably thought about that when you got it. However, even your trustworthy engine is subject to wear and tear. Sometimes plans go sideways. When they do, you might find yourself searching for 2007 Lexus RX400h engine repair or replacement parts. Luckily, you won’t have to look far, since Firestone Complete Auto Care has 1,700+ locations across the country. We've serviced millions of vehicles since 1926, and our professional technicians are trained to service Lexus RX400h engines. Schedule an appointment if you're experiencing problems that could require engine repair. 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 2007 Lexus RX400h

An illuminated check engine light on your Lexus RX400h is one of the first signs it's time to 'brake' for engine service. A steady or flashing check engine light could signal a serious issue with your or emission system that won't go away on its own. Potential causes may include a faulty oxygen sensor, worn spark plug, a clogged catalytic converter, or a leaking engine vacuum, but that's only a few of the possible causes. Bring your RX400h in for an on-board diagnostic check and our expert techs will get the root of the problem. engine rattling, oil leaks, or engine misfiring.

Lexus RX400h Engine Repair

If your 2007 RX400h engine needs repairs, our technicians will provide you with a thorough explanation beforehand. 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 RX400h engine repairs and you can feel good knowing that we only use Lexus-compliant replacement parts such as the cambelt, valve guide seal, sensors, or other parts.

Questions About 2007 Lexus RX400h Engines

Why does the check engine light in my RX400h turn on when I start my car? Generally, your check engine light turning on upon ignition is not a bad thing. This is a sign that your vehicle is testing its circuits. The dash light shouldn't stay on. If it does, you might want to bring your vehicle in for service.
Why is my Lexus RX400h making engine noise? Strange under-the-hood noises can point to problems within your Lexus RX400h engine. Knocking or tapping could be a symptom of low oil. A high-pitched whistle could signal 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 RX400h 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. Steer clear of these habits to help protect engine performance and efficiency.
Can I put water in my Lexus RX400h radiator? While it’s not recommended, you can use water in your RX400h 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.
Why did my RX400h engine suddenly stop? Your RX400h car engine could stop suddenly due to low fuel, electrical issues, overheating, a faulty ignition system, mechanical troubles, or sensor problems.
Where can I go for Lexus RX400h repair? Your local Firestone Complete Auto Care offers Lexus RX400h engine repair. Schedule an appointment today at one of our thousands of locations nationwide!