Why does the check engine light in my M45 turn on when I start my car?

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 dash light shouldn't stay on. If it does, you might want to bring your vehicle in for service.

Are Infiniti M45 engine noises bad?

Strange engine sounds can be a sign something’s off in your Infiniti M45. 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 could be a sign that something is wrong with your brakes — not the engine.

What could damage my Infiniti M45 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 pushing 'the pedal to the metal' before the engine has warmed up. Help sustain your engine’s performance and efficiency by staying miles away from these bad driving practices.

Can I put water in my Infiniti M45 radiator?

It’s not recommended you put water in your M45 radiator unless it’s an emergency. Under normal circumstances, use a 50/50 mix of water and coolant or a pre-mixed coolant. But, if you need to keep driving while out of coolant, using water is better than driving with an empty coolant reservoir.

What can cause a M45 engine to suddenly stop?

If your M45 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 fixes Infiniti M45 engines?

Your local Firestone Complete Auto Care offers Infiniti M45 engine repair. Schedule an appointment today at one of our thousands of locations nationwide!

2004 Infiniti M45 Engine Repair

Learn about

2004 Infiniti M45 Trim Options

Select your Infiniti M45 trim level to learn more about Infiniti-recommended engine repair. Use the following chart to find information.

V8/4.5L

Repairs for Your 2004 Infiniti M45

Stuff wears out. Even your Infiniti M45’s engine parts and components will change. When something breaks or fails, we’re ready to help. Select a repair or category to learn more about 2004 Infiniti M45 services.

We’re Trained to Care for Infiniti M45 Engines

Infiniti M45 engines are known for their reliability. You probably thought about that when you got it. However, the wear-proof engine has yet to be invented! Things can go wrong on the road. When they do, you might find yourself searching for 2004 Infiniti M45 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. Since 1926, we’ve taken care of 500 million+ cars, so you can rest assured knowing your Infiniti M45 engine will be in good hands. Schedule a courtesy inspection at the first sign of engine trouble. Firestone Complete Auto Care offers both trustworthy and affordable engine repairs.

My 2004 Infiniti M45 Check Engine Light Is On

An illuminated check engine light on your Infiniti M45 is one of the first signs it's time to 'brake' for engine service. A check engine light that’s on or flashing could be a symptom of a serious problem in your or emission system, and it won’t go away by ignoring it. Causes may include a faulty oxygen sensor, damaged spark plug, issues with your catalytic converter, or an engine vacuum leak, but that's only a few of the possible causes. Bring your M45 to Firestone Complete Auto Care to get computerized diagnostics and we’ll figure out why that check engine light is giving you grief. Other signs it's time for Infiniti M45 engine service might include essential fluid leaks, or misfiring.

Infiniti M45 Engine Repair

When your Infiniti M45 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 service can wait, we’ll make sure 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 M45 engine repairs and you can feel confident knowing that we use Infiniti-approved parts and components like the timing chain or belt, oil gasket, sensors, or other parts.

Engine Q&A 2004 Infiniti M45

Why does the check engine light in my M45 turn on when I start my car? 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 dash light shouldn't stay on. If it does, you might want to bring your vehicle in for service.
Are Infiniti M45 engine noises bad? Strange engine sounds can be a sign something’s off in your Infiniti M45. 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 could be a sign that something is wrong with your brakes — not the engine.
What could damage my Infiniti M45 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 pushing 'the pedal to the metal' before the engine has warmed up. Help sustain your engine’s performance and efficiency by staying miles away from these bad driving practices.
Can I put water in my Infiniti M45 radiator? It’s not recommended you put water in your M45 radiator unless it’s an emergency. Under normal circumstances, use a 50/50 mix of water and coolant or a pre-mixed coolant. But, if you need to keep driving while out of coolant, using water is better than driving with an empty coolant reservoir.
What can cause a M45 engine to suddenly stop? If your M45 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 fixes Infiniti M45 engines? Your local Firestone Complete Auto Care offers Infiniti M45 engine repair. Schedule an appointment today at one of our thousands of locations nationwide!