Why does the check engine light come on when I start my QX56?

It's okay if your check engine light comes on when you first start your vehicle. This is just your QX56 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 QX56 engine noises bad?

Strange under-the-hood noises can point to problems within your Infiniti QX56 engine. 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 be traced back to a loose fan belt, and grinding might be a sign of brake problems rather than engine issues.

What could damage a Infiniti engine? [ordered-list-1-item-3-1]Are you unknowingly damaging your Infiniti QX56 engine?

Certain driving habits can damage your engine and should be avoided. These habits include 'running on fumes,' revving your engine while the vehicle is in Park, or slamming the gas pedal while the engine is still cold. Help sustain your engine’s performance and efficiency by staying miles away from these bad driving practices.

Can I use water in my Infiniti QX56 radiator?

An emergency is the only time you should consider putting water in your radiator. Outside of that, it’s recommended you use a pre-mixed coolant or a 50/50 blend of water and coolant. However, if you need to continue driving your QX56 when you’re out of coolant, having water in the coolant reservoir is better than nothing.

What can cause the engine in my QX56 to suddenly stop?

Reasons your QX56 car engine may suddenly stop include engine overheating, electrical troubles, mechanical issues, ignition system problems, faulty sensors, and low fuel.

Who fixes Infiniti QX56 engines?

Your local Firestone Complete Auto Care has you covered with expert QX56 engine repair. Schedule an appointment today and see us at one of our thousands of locations.

Engine Repairs for Your 2004 Infiniti QX56

Learn about

2004 Infiniti QX56 Trim Options

Select your Infiniti QX56 trim level to learn more about Infiniti-recommended engine repair. Even Infiniti QX56 parts will get older and change.

V8/5.6L

Infiniti QX56 Repairs and Services

Stuff wears out. Even your Infiniti QX56's many parts and pieces. When something breaks, we're ready. Select a repair or category to learn more about 2004 Infiniti QX56 services.

We Know Infiniti QX56 Engines

The Infiniti QX56 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. Sometimes plans go sideways. If they do, you’ll have to find a dependable 2004 Infiniti 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 Infiniti QX56 engines. Schedule a courtesy inspection at the first sign of engine trouble. After all, Firestone Complete Auto Care is one of the most popular picks for professional engine repairs thanks to its service and affordability.

My 2004 Infiniti QX56 Check Engine Light Is On

As soon as your QX56 check engine light turns on, it’s time to get an expert’s opinion. A steady or flashing check engine light could signal a serious issue with your car’s ignition, Possible causes can include a failing 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 QX56 in for an on-board diagnostic check and we'll determine exactly why your check engine light is on. engine rattling, essential fluid leaks, or misfiring.

2004 QX56 Engine Services

If your 2004 Infiniti QX56 needs engine repair, our technicians will make sure you understand what’s going on before they start working on your engine. We don't start working until we have your approval. If a repair isn’t urgent right now, 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. By choosing Firestone Complete Auto Care for QX56 engine repairs and you can drive easy knowing that we use Infiniti-approved parts and fluids — timing chain or belt, oil gasket, sensors, or a different component.

Engine Q&A 2004 Infiniti QX56

Why does the check engine light come on when I start my QX56? It's okay if your check engine light comes on when you first start your vehicle. This is just your QX56 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 QX56 engine noises bad? Strange under-the-hood noises can point to problems within your Infiniti QX56 engine. 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 be traced back to a loose fan belt, and grinding might be a sign of brake problems rather than engine issues.
What could damage a Infiniti engine? [ordered-list-1-item-3-1]Are you unknowingly damaging your Infiniti QX56 engine? Certain driving habits can damage your engine and should be avoided. These habits include 'running on fumes,' revving your engine while the vehicle is in Park, or slamming the gas pedal while the engine is still cold. Help sustain your engine’s performance and efficiency by staying miles away from these bad driving practices.
Can I use water in my Infiniti QX56 radiator? An emergency is the only time you should consider putting water in your radiator. Outside of that, it’s recommended you use a pre-mixed coolant or a 50/50 blend of water and coolant. However, if you need to continue driving your QX56 when you’re out of coolant, having water in the coolant reservoir is better than nothing.
What can cause the engine in my QX56 to suddenly stop? Reasons your QX56 car engine may suddenly stop include engine overheating, electrical troubles, mechanical issues, ignition system problems, faulty sensors, and low fuel.
Who fixes Infiniti QX56 engines? Your local Firestone Complete Auto Care has you covered with expert QX56 engine repair. Schedule an appointment today and see us at one of our thousands of locations.