Why does my D21’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 D21 testing its circuits. The dash light shouldn't stay on. If it does, you might want to bring your vehicle in for service.

Are Nissan D21 engine noises bad?

Strange engine sounds can be a sign something’s off in your Nissan D21. Tapping or knocking could mean you're low on oil. Whistling could mean a belt is misaligned or there's an intake leak. Squealing can be traced back to 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?

Certain driving habits can hurt your engine. These habits include driving on an empty fuel tank, revving your engine while the vehicle 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.

Is it okay to put water in my Nissan D21 radiator?

It’s not recommended you put water in your D21 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 could cause my D21 engine to 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.

Who can repair my Nissan D21 engine?

Your local Firestone Complete Auto Care has you covered with expert D21 engine repair. Schedule an appointment today and see us at one of our thousands of locations.

1989 Nissan D21 Engine Repair

Learn about

1989 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

Nissan D21 Repairs and Services

Nothing stays the same forever. Even your Nissan D21's many parts and pieces. When something breaks or fails, we’re ready to help. Select a repair or category to learn more about 1989 Nissan D21 services.

We’re Trained to Care for 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. Even so, pieces and parts can break down over time. Things can go wrong on the road. When they do, you might find yourself searching for 1989 Nissan D21 engine repair or replacement parts. That's when it's time to head to Firestone Complete Auto Care. We've serviced more than 500 million vehicles since 1926, and our technicians know Nissan D21 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.

Illuminated Check Engine Light on 1989 Nissan D21

An illuminated check engine light on your Nissan D21 is one of the first signs it's time to 'brake' for engine service. A steady or flashing check engine light could signal a serious issue with your combustion, Potential causes may include a faulty oxygen sensor, damaged spark plug, a problem 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. rattling sounds, essential fluid leaks, or a sinking feeling that something’s wrong.

Nissan D21 Engine Repair

If your 1989 D21 engine needs repairs, our expert techs will let you know what needs to be done and why before they get started. We don't start working until we have your approval. 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 provide you with the information you need to make an informed engine repair decision. Turn to Firestone Complete Auto Care for your 1989 D21 engine repairs and you can feel confident knowing that we use Nissan-approved parts and components like the timing belt, motor oil seal, sensors, or a different component.

Questions About 1989 Nissan D21 Engines

Why does my D21’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 D21 testing its circuits. The dash light shouldn't stay on. If it does, you might want to bring your vehicle in for service.
Are Nissan D21 engine noises bad? Strange engine sounds can be a sign something’s off in your Nissan D21. Tapping or knocking could mean you're low on oil. Whistling could mean a belt is misaligned or there's an intake leak. Squealing can be traced back to 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? Certain driving habits can hurt your engine. These habits include driving on an empty fuel tank, revving your engine while the vehicle 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.
Is it okay to put water in my Nissan D21 radiator? It’s not recommended you put water in your D21 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 could cause my D21 engine to 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.
Who can repair my Nissan D21 engine? Your local Firestone Complete Auto Care has you covered with expert D21 engine repair. Schedule an appointment today and see us at one of our thousands of locations.