Why does my Q45’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 Q45 firing up its circuits. The light should go off shortly. Bring your vehicle in if it doesn't.

Why does my Infiniti engine sound different?

Strange engine sounds can be a sign something’s off in your Infiniti Q45. Tapping or knocking could mean you need an oil change. 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 Infiniti Q45 engine?

Certain driving habits can damage your engine and should be avoided. These habits include 'running on fumes,' flooring the gas pedal while the car is 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 add water to my Infiniti Q45 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 Q45 engine suddenly stop?

There are different reasons your Q45 vehicle engine could suddenly stop. You may be looking at a lack of fuel, faulty sensors, issues with the ignition system, engine overheating, electrical problems, or mechanical troubles.

Where can I go for Infiniti Q45 repair?

Your local Firestone Complete Auto Care offers Infiniti Q45 engine repair. Schedule an appointment today at one of our thousands of locations nationwide!

Reliable Repairs for 2002 Infiniti Q45 Engines

Learn about

2002 Infiniti Q45 Trim Options

Select your Infiniti Q45 trim level to learn more about Infiniti-recommended engine repair. Use the following chart to find information.

V8/4.5L

2002 Infiniti Q45 Repair

Nothing lasts forever. Even your Infiniti Q45's many parts and pieces. When something breaks, we're ready. Select a service or repair below to learn more about what we can do for your 2002 Infiniti Q45.

We Know Infiniti Q45 Engines

The Infiniti Q45 is respected for its 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 sideways sometimes. When they do, you might find yourself searching for 2002 Infiniti Q45 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 Infiniti Q45 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.

Illuminated Check Engine Light on 2002 Infiniti Q45

As soon as your Q45 check engine light turns on, it’s time to get an expert’s opinion. A check engine light that’s on or flashing could be a symptom of a serious problem in your car’s ignition, Possible causes can include a failing oxygen sensor, damaged spark plug, a clogged catalytic converter, or a leaking engine vacuum, but that's only a few of the possible causes. Bring your Q45 in for an on-board diagnostic check and our expert techs will get the root of the problem. Other signs your Infiniti Q45 engine needs some TLC are essential fluid leaks, or misfiring.

2002 Q45 Engine Services

If your 2002 Q45 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. We'll also tell you if it's necessary for your safety. 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 Q45 engine repairs and you can feel good knowing that we only use Infiniti-compliant replacement parts such as the timing chain or belt, engine oil seal, ignition coil, or other parts.

2002 Infiniti Q45 Engine Q&A

Why does my Q45’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 Q45 firing up its circuits. The light should go off shortly. Bring your vehicle in if it doesn't.
Why does my Infiniti engine sound different? Strange engine sounds can be a sign something’s off in your Infiniti Q45. Tapping or knocking could mean you need an oil change. 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 Infiniti Q45 engine? Certain driving habits can damage your engine and should be avoided. These habits include 'running on fumes,' flooring the gas pedal while the car is 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 add water to my Infiniti Q45 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 Q45 engine suddenly stop? There are different reasons your Q45 vehicle engine could suddenly stop. You may be looking at a lack of fuel, faulty sensors, issues with the ignition system, engine overheating, electrical problems, or mechanical troubles.
Where can I go for Infiniti Q45 repair? Your local Firestone Complete Auto Care offers Infiniti Q45 engine repair. Schedule an appointment today at one of our thousands of locations nationwide!