Why does my M45’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 M45 firing up its circuits. The light should turn off in a bit, but come see us if it doesn't.

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 sounds could mean you have an intake leak or misaligned belt. 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?

Some driving habits are not so great for your engine. These include driving on a near-empty gas tank, 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 use water in my Infiniti M45 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 M45 engine 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 can repair my Infiniti M45 engine?

For Infiniti M45 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.

Reliable Repairs for 2007 Infiniti M45 Engines

Learn about

2007 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

Infiniti M45 Repairs and Services

Nothing lasts forever. Even your Infiniti M45's many parts and pieces. We’re here to help when something stops working. Click on a repair below to learn more about 2007 Infiniti M45 repairs.

We Know Infiniti M45 Engines

Infiniti M45 engines are known for their reliability. That might be why you bought it in the first place. 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 2007 Infiniti M45 engine repair or replacement parts. That's when it's time to head to Firestone Complete Auto Care. 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. If you think something’s wrong with your engine, schedule an appointment at your convenience. After all, Firestone Complete Auto Care is one of the most popular picks for professional engine repairs thanks to its service and affordability.

Illuminated Check Engine Light on 2007 Infiniti M45

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 control system that won’t go away on its own. Possible causes can include a failing oxygen sensor, worn spark plug, a clogged catalytic converter, or an engine vacuum leak, to name a few possible causes. Bring your M45 in for an on-board diagnostic check and our expert techs will get the root of the problem. engine rattling, burning smells, or a sinking feeling that something’s wrong.

2007 M45 Engine Services

If your 2007 M45 engine needs repairs, 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 isn’t urgent right now, we’ll let you know. We'll also tell you if it's necessary for your safety. We want to provide you with the information you need to make an informed engine repair decision. 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 belt, oil gasket, ignition coil, or a different component.

2007 Infiniti M45 Engine Q&A

Why does my M45’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 M45 firing up its circuits. The light should turn off in a bit, but come see us if it doesn't.
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 sounds could mean you have an intake leak or misaligned belt. 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? Some driving habits are not so great for your engine. These include driving on a near-empty gas tank, 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 use water in my Infiniti M45 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 M45 engine 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 can repair my Infiniti M45 engine? For Infiniti M45 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.