Why does the check engine light in my M30 turn on when I start my car?

Generally, your check engine light turning on upon ignition is not a bad thing. It’s just your M30 firing up its circuits. The light should go off shortly. Bring your vehicle in if it doesn't.

Are Infiniti M30 engine noises bad?

Strange under-the-hood noises can point to problems within your Infiniti M30 engine. Knocking or tapping could be a symptom of low oil. A high-pitched whistle could signal an intake leak or misaligned belt. Squealing may be caused by 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 M30 engine?

Certain driving habits can hurt your engine. These habits include driving on an empty fuel tank, revving the engine while still 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 M30 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 M30 when you’re out of coolant, having water in the coolant reservoir is better than nothing.

What can cause a M30 engine to suddenly stop?

Your M30 car engine could stop suddenly due to low fuel, electrical issues, overheating, a faulty ignition system, mechanical troubles, or sensor problems.

Who fixes Infiniti M30 engines?

Your local Firestone Complete Auto Care has you covered with expert M30 engine repair. Schedule an appointment today and see us at one of our thousands of locations.

Engine Repairs for Your 1991 Infiniti M30

Learn about

1991 Infiniti M30 Trim Options

Select your Infiniti M30 trim level to learn more about Infiniti-recommended engine repair. Even Infiniti M30 parts will get older and change.

V6/3.0L

Infiniti M30 Repairs and Services

Nothing stays the same forever. Even your Infiniti M30's many parts and pieces. When something breaks or fails, we’re ready to help. Select a service or repair below to learn more about what we can do for your 1991 Infiniti M30.

We Care for Infiniti M30 Engines

The Infiniti M30 is respected for its reliability. That might be why you bought it in the first place. Even so, pieces and parts can break down over time. Sometimes plans go sideways. When they do, you might find yourself searching for 1991 Infiniti M30 engine repair or replacement parts. That’s where Firestone Complete Auto Care comes in. We've serviced millions of vehicles since 1926, and our professional technicians are trained to service Infiniti M30 engines. Schedule a courtesy inspection at the first sign of engine trouble. Firestone Complete Auto Care is a top choice for professional engine diagnosis, service, and repair at an affordable price.

My 1991 Infiniti M30 Check Engine Light Is On

An illuminated check engine light on your Infiniti M30 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. Causes may include a faulty oxygen sensor, bad spark plug, a clogged catalytic converter, or an engine vacuum leak, to name a few possible causes. Bring your M30 to Firestone Complete Auto Care to get computerized diagnostics and we’ll figure out why that check engine light is giving you grief. rattling sounds, oil leaks, or engine misfiring.

1991 M30 Engine Services

When your Infiniti M30 engine needs repairs, our technicians will provide you with a thorough explanation beforehand. We make recommendations, but you make the final decision. If a service can wait, we’ll make sure you know. If it's necessary for your safety, we'll make sure you understand that, too. We seek to give you all the info you need to make a smart decision about our services. Turn to Firestone Complete Auto Care for your 1991 M30 engine repairs and you can feel good knowing that we only use Infiniti-compliant replacement parts such as the timing chain or belt, engine oil seal, ignition coil, or another part.

1991 Infiniti M30 Engine Q&A

Why does the check engine light in my M30 turn on when I start my car? Generally, your check engine light turning on upon ignition is not a bad thing. It’s just your M30 firing up its circuits. The light should go off shortly. Bring your vehicle in if it doesn't.
Are Infiniti M30 engine noises bad? Strange under-the-hood noises can point to problems within your Infiniti M30 engine. Knocking or tapping could be a symptom of low oil. A high-pitched whistle could signal an intake leak or misaligned belt. Squealing may be caused by 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 M30 engine? Certain driving habits can hurt your engine. These habits include driving on an empty fuel tank, revving the engine while still 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 M30 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 M30 when you’re out of coolant, having water in the coolant reservoir is better than nothing.
What can cause a M30 engine to suddenly stop? Your M30 car engine could stop suddenly due to low fuel, electrical issues, overheating, a faulty ignition system, mechanical troubles, or sensor problems.
Who fixes Infiniti M30 engines? Your local Firestone Complete Auto Care has you covered with expert M30 engine repair. Schedule an appointment today and see us at one of our thousands of locations.