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. 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.

Are Infiniti Q45 engine noises bad?

Strange engine sounds can be a sign something’s off in your Infiniti Q45. Tapping or knocking could mean you're low on oil. A high-pitched whistle could signal an intake leak or misaligned belt. Squealing can be traced back to a loose fan belt, and grinding might be coming from the brakes, not the engine.

What could damage my Infiniti Q45 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 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?

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?

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

Who repairs Infiniti Q45 engines?

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

Engine Repairs for Your 1992 Infiniti Q45

Learn about

1992 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.

V8/4.5L

Infiniti Q45 Repairs and Services

Nothing lasts forever. Even your Infiniti Q45's many parts and pieces. When something breaks, we're ready. Click on a repair below to learn more about 1992 Infiniti Q45 repairs.

We Know Infiniti Q45 Engines

The Infiniti Q45 is respected for its reliability. You probably thought about that when you got 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 1992 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. Since 1926, we’ve taken care of 500 million+ cars, so you can rest assured knowing your Infiniti Q45 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.

My 1992 Infiniti Q45 Check Engine Light Is On

If your Q45 check engine light is on, it’s time to get it looked at. 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. Potential causes may include a faulty oxygen sensor, bad spark plug, a problem with your catalytic converter, or a leaking engine vacuum, but that's only a few of the possible causes. Bring your Q45 to Firestone Complete Auto Care to get computerized diagnostics and we'll determine exactly why your check engine light is on. rattling sounds, oil leaks, or misfiring.

Infiniti Q45 Engine Repair

When your Infiniti Q45 engine needs repairs, our technicians will provide you with a thorough explanation beforehand. We make recommendations, but you make the final decision. If a repair isn’t urgent right now, we’ll let you know. But if immediate repairs are necessary for your safety, we’ll make sure that's clear, too. 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 drive easy knowing that we use Infiniti-approved parts and fluids — timing chain or belt, engine oil seal, fuses, or other parts.

Questions About 1992 Infiniti Q45 Engines

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. 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.
Are Infiniti Q45 engine noises bad? Strange engine sounds can be a sign something’s off in your Infiniti Q45. Tapping or knocking could mean you're low on oil. A high-pitched whistle could signal an intake leak or misaligned belt. Squealing can be traced back to a loose fan belt, and grinding might be coming from the brakes, not the engine.
What could damage my Infiniti Q45 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 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? 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? Reasons your Q45 car engine may suddenly stop include engine overheating, electrical troubles, mechanical issues, ignition system problems, faulty sensors, and low fuel.
Who repairs Infiniti Q45 engines? Your local Firestone Complete Auto Care offers Infiniti Q45 engine repair. Schedule an appointment today at one of our thousands of locations nationwide!