Why does the check engine light come on when I start my D21?

It’s usually normal for your check engine light to turn on upon ignition. This is a sign that your vehicle is testing its circuits. The dash light shouldn't stay on. If it does, you might want to bring your vehicle in for service.

Why is my Nissan D21 making engine noise?

Strange engine sounds can be a sign something’s off in your Nissan D21. 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 a Nissan engine? [ordered-list-1-item-3-1]Are you unknowingly damaging your Nissan D21 engine?

Some driving habits are not so great for your engine. These include driving on a near-empty gas 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 add water to my Nissan D21 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 D21 engine suddenly stop?

Your D21 car engine could stop suddenly due to low fuel, electrical issues, overheating, a faulty ignition system, mechanical troubles, or sensor problems.

Where can I go for Nissan D21 repair?

Your local Firestone Complete Auto Care offers Nissan D21 engine repair. Schedule an appointment today at one of our thousands of locations nationwide!

Engine Repairs for Your 1990 Nissan D21

Learn about

1990 Nissan D21 Trim Options

Select your Nissan D21 trim level to learn more about Nissan-recommended engine repair. Even Nissan D21 parts will get older and change.

L4/2.4L

V6/3.0L

Repairs for Your 1990 Nissan D21

Nothing stays the same forever. Even your Nissan D21’s engine parts and components will change. When something breaks, we're ready. Click on a repair below to learn more about 1990 Nissan D21 repairs.

We Know Nissan D21 Engines

Nissan D21 drivers trust that their D21 will take them near and far. You may have even been thinking about that when you bought it. However, even your trustworthy engine is subject to wear and tear. Things can go sideways sometimes. If the unexpected strikes, you may search the internet frantically for quick and affordable 1990 Nissan D21 engine repairs. That's when it's time to head to Firestone Complete Auto Care. We've serviced millions of vehicles since 1926, and our professional technicians are trained to service Nissan D21 engines. Schedule an appointment if you're experiencing problems that could require engine repair. After all, Firestone Complete Auto Care is one of the most popular picks for professional engine repairs thanks to its service and affordability.

My 1990 Nissan D21 Check Engine Light Is On

If your D21 check engine light is on, it’s time to get it looked at. A steady or flashing check engine light could signal a serious issue with your fuel, Causes may include a faulty oxygen sensor, bad spark plug, issues with your catalytic converter, or a leak in the engine vacuum, to name a few potential sources. Bring your D21 to Firestone Complete Auto Care to get computerized diagnostics and our expert techs will get the root of the problem. Other signs your Nissan D21 engine needs some TLC are essential fluid leaks, or a sinking feeling that something’s wrong.

Engine Repairs for Your 1990 D21

If your 1990 Nissan D21 needs engine repair, our technicians will provide you with a thorough explanation beforehand. We don't start working until we have your approval. If a repair can wait, 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. Choose Firestone Complete Auto Care for Nissan D21 engine repairs and you can drive easy knowing that we use Nissan-approved parts and fluids — timing chain or belt, oil gasket, sensors, or a different component.

Questions About 1990 Nissan D21 Engines

Why does the check engine light come on when I start my D21? It’s usually normal for your check engine light to turn on upon ignition. This is a sign that your vehicle is testing its circuits. The dash light shouldn't stay on. If it does, you might want to bring your vehicle in for service.
Why is my Nissan D21 making engine noise? Strange engine sounds can be a sign something’s off in your Nissan D21. 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 a Nissan engine? [ordered-list-1-item-3-1]Are you unknowingly damaging your Nissan D21 engine? Some driving habits are not so great for your engine. These include driving on a near-empty gas 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 add water to my Nissan D21 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 D21 engine suddenly stop? Your D21 car engine could stop suddenly due to low fuel, electrical issues, overheating, a faulty ignition system, mechanical troubles, or sensor problems.
Where can I go for Nissan D21 repair? Your local Firestone Complete Auto Care offers Nissan D21 engine repair. Schedule an appointment today at one of our thousands of locations nationwide!