Why does the check engine light come on when I start my UX300h?

Generally, your check engine light turning on upon ignition is not a bad thing. It’s just your UX300h firing up its circuits. The light should turn off in a bit, but come see us if it doesn't.

Why is my Lexus UX300h making engine noise?

Strange under-the-hood noises can point to problems within your Lexus UX300h engine. Knocking or tapping could be a symptom of low 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 UX300h 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. Protect your engine’s performance and efficiency by distancing yourself from these habits.

Can I use water in my Lexus UX300h 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 UX300h engine suddenly stop?

Reasons your UX300h car engine may suddenly stop include engine overheating, electrical troubles, mechanical issues, ignition system problems, faulty sensors, and low fuel.

Who can repair my Lexus UX300h engine?

Your local Firestone Complete Auto Care fixes Lexus UX300h engines. Book an appointment today! We have thousands of locations across the country.

2025 Lexus UX300h Engine Repair

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2025 Lexus UX300h Trim Options

Select your Lexus UX300h trim level to learn more about Lexus-recommended engine repair. Even Lexus UX300h parts will get older and change.

Repairs for Your 2025 Lexus UX300h

Nothing lasts forever. Even your Lexus UX300h's many parts and pieces. When something breaks, we're ready. Select a repair or category to learn more about 2025 Lexus UX300h services.

We Care for Lexus UX300h Engines

Lexus UX300h drivers trust that their UX300h will take them near and far. You may have even been thinking about that when you bought it. Even so, pieces and parts can break down over time. Things can go sideways sometimes. If the unexpected strikes, you may search the internet frantically for quick and affordable 2025 Lexus UX300h 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 UX300h 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.

My 2025 Lexus UX300h Check Engine Light Is On

If your UX300h 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 car’s starter, Possible causes can include a failing oxygen sensor, damaged spark plug, a problem with your catalytic converter, or an engine vacuum leak, but that's only a few of the possible causes. Bring your UX300h to Firestone Complete Auto Care to get computerized diagnostics and our expert techs will get the root of the problem. Other signs your Lexus UX300h engine needs some TLC are essential fluid leaks, or a sinking feeling that something’s wrong.

2025 UX300h Engine Services

If your 2025 Lexus UX300h needs engine repair, our technicians will make sure you understand what’s going on before they start working on your engine. We make recommendations, but you make the final decision. 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 give you all the details you need to make an informed decision about your engine repairs. By choosing Firestone Complete Auto Care for UX300h engine repairs and you can feel confident knowing that we use Lexus-approved parts and components like the timing belt, motor oil seal, sensors, or another part.

Engine Q&A 2025 Lexus UX300h

Why does the check engine light come on when I start my UX300h? Generally, your check engine light turning on upon ignition is not a bad thing. It’s just your UX300h firing up its circuits. The light should turn off in a bit, but come see us if it doesn't.
Why is my Lexus UX300h making engine noise? Strange under-the-hood noises can point to problems within your Lexus UX300h engine. Knocking or tapping could be a symptom of low 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 UX300h 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. Protect your engine’s performance and efficiency by distancing yourself from these habits.
Can I use water in my Lexus UX300h 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 UX300h engine suddenly stop? Reasons your UX300h car engine may suddenly stop include engine overheating, electrical troubles, mechanical issues, ignition system problems, faulty sensors, and low fuel.
Who can repair my Lexus UX300h engine? Your local Firestone Complete Auto Care fixes Lexus UX300h engines. Book an appointment today! We have thousands of locations across the country.