Why does my NX350h’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 a sign that your vehicle is testing its circuits. The light should go off shortly. Bring your vehicle in if it doesn't.

Why does my Lexus engine sound different?

Strange under-the-hood noises can point to problems within your Lexus NX350h engine. Tapping or knocking could mean you're low on oil. Whistling could mean a belt is misaligned or there's an intake leak. Squealing can indicate a loose fan belt, and grinding might be a sign of brake problems rather than engine issues.

What could damage my Lexus NX350h 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 slamming the gas pedal while the engine is still cold. Protect your engine’s performance and efficiency by distancing yourself from these habits.

Can I use water in my Lexus NX350h 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.

What can cause a NX350h engine to suddenly stop?

Your NX350h car engine could stop suddenly due to low fuel, electrical issues, overheating, a faulty ignition system, mechanical troubles, or sensor problems.

Who repairs Lexus NX350h engines?

Your local Firestone Complete Auto Care has you covered with expert NX350h engine repair. Schedule an appointment today and see us at one of our thousands of locations.

2025 Lexus NX350h Engine Repair

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2025 Lexus NX350h Trim Options

Select your Lexus NX350h trim level to learn more about Lexus-recommended engine repair. Use the following chart to find information.

Lexus NX350h Repairs and Services

Nothing stays the same forever. Even your Lexus NX350h's many parts and pieces. When something breaks, we're ready. Click on a repair below to learn more about 2025 Lexus NX350h repairs.

We Know Lexus NX350h Engines

Lexus NX350h engines are known for their reliability. You may have even been thinking about that when you bought it. However, even your trustworthy engine is subject to wear and tear. Things can go wrong on the road. If they do, you’ll have to find a dependable 2025 Lexus service center — quick! 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 NX350h 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 2025 Lexus NX350h

If your NX350h check engine light is on, it’s time to get it looked at. 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. 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 NX350h in for an on-board diagnostic check and we’ll figure out why that check engine light is giving you grief. Other signs it's time for Lexus NX350h engine service might include essential fluid leaks, or a sinking feeling that something’s wrong.

Engine Repairs for Your 2025 NX350h

When your Lexus NX350h engine needs repairs, our technicians will provide you with a thorough explanation beforehand. We don't start working until we have your approval. If a service can wait, we’ll make sure 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. Choose Firestone Complete Auto Care for Lexus NX350h engine repairs and you can feel good knowing that we only use Lexus-compliant replacement parts such as the cambelt, motor oil seal, fuses, or other parts.

Questions About 2025 Lexus NX350h Engines

Why does my NX350h’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 a sign that your vehicle is testing its circuits. The light should go off shortly. Bring your vehicle in if it doesn't.
Why does my Lexus engine sound different? Strange under-the-hood noises can point to problems within your Lexus NX350h engine. Tapping or knocking could mean you're low on oil. Whistling could mean a belt is misaligned or there's an intake leak. Squealing can indicate a loose fan belt, and grinding might be a sign of brake problems rather than engine issues.
What could damage my Lexus NX350h 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 slamming the gas pedal while the engine is still cold. Protect your engine’s performance and efficiency by distancing yourself from these habits.
Can I use water in my Lexus NX350h 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.
What can cause a NX350h engine to suddenly stop? Your NX350h car engine could stop suddenly due to low fuel, electrical issues, overheating, a faulty ignition system, mechanical troubles, or sensor problems.
Who repairs Lexus NX350h engines? Your local Firestone Complete Auto Care has you covered with expert NX350h engine repair. Schedule an appointment today and see us at one of our thousands of locations.