Why does my Q45’s check engine light come on when I start it?

Generally, your check engine light turning on upon ignition is not a bad thing. This is just your Q45 testing its circuits. The dash light shouldn't stay on. If it does, you might want to bring your vehicle in for service.

Why does my Infiniti engine sound different?

Unusual noises can signal a problem with your Infiniti Q45 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 could be a sign that something is wrong with your brakes — not the engine.

What could damage a Infiniti engine? [ordered-list-1-item-3-1]Are you unknowingly damaging your Infiniti Q45 engine?

Some driving habits are not so great for your engine. These include driving on a near-empty gas tank, revving your engine while the vehicle is in Park, or pushing 'the pedal to the metal' before the engine has warmed up. Protect your engine’s performance and efficiency by distancing yourself from these habits.

Can I use water in my Infiniti Q45 radiator?

It’s not recommended you put water in your Q45 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 Q45 engine to suddenly stop?

Reasons your Q45 car engine may suddenly stop include engine overheating, electrical troubles, mechanical issues, ignition system problems, faulty sensors, and low fuel.

Who can repair my Infiniti Q45 engine?

For Infiniti Q45 engine repair, trust your local Firestone Complete Auto Care. You can make an appointment today at any of our thousands of locations across the U.S.

2001 Infiniti Q45 Engine Repair

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2001 Infiniti Q45 Trim Options

Select your Infiniti Q45 trim level to learn more about Infiniti-recommended engine repair. Even Infiniti Q45 parts will get older and change.

V8/4.1L

2001 Infiniti Q45 Repair

Nothing stays the same 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 2001 Infiniti Q45.

We Know Infiniti Q45 Engines

Infiniti Q45 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 2001 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 2001 Infiniti Q45

An illuminated check engine light on your Infiniti Q45 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 control system that won’t go away on its own. Possible causes can include a failing oxygen sensor, damaged spark plug, issues with your catalytic converter, or a leaking engine vacuum, to name a few potential sources. Stop by your local Firestone Complete Auto Care to get your Q45 issues diagnosed and our expert techs will get the root of the problem. rattling sounds, oil leaks, or misfiring.

Engine Repairs for Your 2001 Q45

When your Infiniti Q45 engine needs repairs, our expert techs will let you know what needs to be done and why before they get started. We make recommendations, but you make the final decision. If a service can wait, we’ll make sure you know. But if immediate repairs are necessary for your safety, we’ll make sure that's clear, 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 Q45 engine repairs and you can drive easy knowing that we use Infiniti-approved parts and fluids — timing belt, oil gasket, ignition coil, or a different component.

2001 Infiniti Q45 Engine Q&A

Why does my Q45’s check engine light come on when I start it? Generally, your check engine light turning on upon ignition is not a bad thing. This is just your Q45 testing its circuits. The dash light shouldn't stay on. If it does, you might want to bring your vehicle in for service.
Why does my Infiniti engine sound different? Unusual noises can signal a problem with your Infiniti Q45 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 could be a sign that something is wrong with your brakes — not the engine.
What could damage a Infiniti engine? [ordered-list-1-item-3-1]Are you unknowingly damaging your Infiniti Q45 engine? Some driving habits are not so great for your engine. These include driving on a near-empty gas tank, revving your engine while the vehicle is in Park, or pushing 'the pedal to the metal' before the engine has warmed up. Protect your engine’s performance and efficiency by distancing yourself from these habits.
Can I use water in my Infiniti Q45 radiator? It’s not recommended you put water in your Q45 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 Q45 engine to suddenly stop? Reasons your Q45 car engine may suddenly stop include engine overheating, electrical troubles, mechanical issues, ignition system problems, faulty sensors, and low fuel.
Who can repair my Infiniti Q45 engine? For Infiniti Q45 engine repair, trust your local Firestone Complete Auto Care. You can make an appointment today at any of our thousands of locations across the U.S.