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

Generally, your check engine light turning on upon ignition is not a bad thing. This is just your D21 testing its circuits. The light should turn off in a bit, but come see us if it doesn't.

Why does my Nissan engine sound different?

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 might be coming from the brakes, not the engine.

What could damage my Nissan D21 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 accelerating too quickly, too soon. 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.

What could cause my D21 engine to suddenly stop?

Reasons your D21 car engine may suddenly stop include engine overheating, electrical troubles, mechanical issues, ignition system problems, faulty sensors, and low fuel.

Who can repair my Nissan D21 engine?

Your local Firestone Complete Auto Care fixes Nissan D21 engines. Book an appointment today! We have thousands of locations across the country.

Engine Repairs for Your 1993 Nissan D21

Learn about

1993 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. We’re here to help when something stops working. Select a service or repair below to learn more about what we can do for your 1993 Nissan D21.

We’re Trained to Care for Nissan D21 Engines

Nissan D21 engines are known for their reliability. You may have even been thinking about that when you bought it. Even so, pieces and parts can break down over time. Sometimes plans go sideways. If they do, you’ll have to find a dependable 1993 Nissan service center — quick! Luckily, you won’t have to look far, since Firestone Complete Auto Care has 1,700+ locations across the country. 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.

Check Engine Light on 1993 Nissan D21

As soon as your D21 check engine light turns on, it’s time to get an expert’s opinion. A check engine light that’s flashing or steadily illuminated could point to problems with your combustion, Possible causes can include a failing oxygen sensor, worn spark plug, a problem with your catalytic converter, or a leak in the engine vacuum, but that's only a few of the possible causes. 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 engine misfiring.

1993 D21 Engine Services

If your 1993 Nissan D21 needs engine repair, 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 provide you with the information you need to make an informed engine repair decision. By choosing Firestone Complete Auto Care for D21 engine repairs and you can drive easy knowing that we use Nissan-approved parts and fluids — serpentine belt, engine oil seal, sensors, or another part.

Questions About 1993 Nissan D21 Engines

Why does the check engine light come on when I start my D21? Generally, your check engine light turning on upon ignition is not a bad thing. This is just your D21 testing its circuits. The light should turn off in a bit, but come see us if it doesn't.
Why does my Nissan engine sound different? 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 might be coming from the brakes, not the engine.
What could damage my Nissan D21 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 accelerating too quickly, too soon. 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.
What could cause my D21 engine to suddenly stop? Reasons your D21 car engine may suddenly stop include engine overheating, electrical troubles, mechanical issues, ignition system problems, faulty sensors, and low fuel.
Who can repair my Nissan D21 engine? Your local Firestone Complete Auto Care fixes Nissan D21 engines. Book an appointment today! We have thousands of locations across the country.