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

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 light should go off shortly. Bring your vehicle in if it doesn't.

Are Audi Coupe Quattro engine noises bad?

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

What could damage my Audi Coupe Quattro engine?

Certain driving habits can damage your engine and should be avoided. These habits include 'running on fumes,' revving the engine while still in Park, or slamming the gas pedal while the engine is still cold. Protect your engine’s performance and efficiency by distancing yourself from these habits.

Can I use water in my Audi Coupe Quattro 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 Coupe Quattro when you’re out of coolant, having water in the coolant reservoir is better than nothing.

What can cause a Coupe Quattro engine to suddenly stop?

There are different reasons your Coupe Quattro vehicle engine could suddenly stop. You may be looking at a lack of fuel, faulty sensors, issues with the ignition system, engine overheating, electrical problems, or mechanical troubles.

Who fixes Audi Coupe Quattro engines?

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

Engine Repairs for Your 1991 Audi Coupe Quattro

Learn about

1991 Audi Coupe Quattro Trim Options

Select your Audi Coupe Quattro trim level to learn more about Audi-recommended engine repair. Use the following chart to find information.

L5/2.3L

Audi Coupe Quattro Repairs and Services

Nothing stays the same forever. Even your Audi Coupe Quattro's many parts and pieces. When something breaks or fails, we’re ready to help. Select a repair or category to learn more about 1991 Audi Coupe Quattro services.

We Know Audi Coupe Quattro Engines

Audi Coupe Quattro drivers trust that their Coupe Quattro 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. Sometimes plans go sideways. If the unexpected strikes, you may search the internet frantically for quick and affordable 1991 Audi Coupe Quattro 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 Audi Coupe Quattro engines. Schedule an appointment if you're experiencing problems that could require engine repair. Firestone Complete Auto Care is a top choice for professional engine diagnosis, service, and repair at an affordable price.

Check Engine Light on 1991 Audi Coupe Quattro

If your Coupe Quattro check engine light is on, it’s time to get it looked at. A check engine light that’s flashing or steadily illuminated could point to problems with your car’s starter, Potential causes may include a faulty oxygen sensor, damaged 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 Coupe Quattro in for an on-board diagnostic check and we’ll figure out why that check engine light is giving you grief. Other signs it's time for Audi Coupe Quattro engine service might include burning smells, or engine misfiring.

1991 Coupe Quattro Engine Services

If your 1991 Audi Coupe Quattro needs engine repair, our technicians will make sure you understand what’s going on before they start working on your engine. We make recommendations, but you make the final decision. If a service can wait, we’ll make sure you know. We'll also tell you if it's necessary for your safety. We want to give you all the details you need to make an informed decision about your engine repairs. Choose Firestone Complete Auto Care for Audi Coupe Quattro engine repairs and you can drive easy knowing that we use Audi-approved parts and fluids — serpentine belt, oil gasket, fuses, or other parts.

Engine Q&A 1991 Audi Coupe Quattro

Why does the check engine light in my Coupe Quattro turn on when I start my car? 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 light should go off shortly. Bring your vehicle in if it doesn't.
Are Audi Coupe Quattro engine noises bad? Strange engine sounds can be a sign something’s off in your Audi Coupe Quattro. Tapping or knocking could mean you're low on oil. A high-pitched whistle could signal an intake leak or misaligned belt. Squealing can indicate a loose fan belt, and grinding might be coming from the brakes, not the engine.
What could damage my Audi Coupe Quattro engine? Certain driving habits can damage your engine and should be avoided. These habits include 'running on fumes,' revving the engine while still in Park, or slamming the gas pedal while the engine is still cold. Protect your engine’s performance and efficiency by distancing yourself from these habits.
Can I use water in my Audi Coupe Quattro 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 Coupe Quattro when you’re out of coolant, having water in the coolant reservoir is better than nothing.
What can cause a Coupe Quattro engine to suddenly stop? There are different reasons your Coupe Quattro vehicle engine could suddenly stop. You may be looking at a lack of fuel, faulty sensors, issues with the ignition system, engine overheating, electrical problems, or mechanical troubles.
Who fixes Audi Coupe Quattro engines? Your local Firestone Complete Auto Care has you covered with expert Coupe Quattro engine repair. Schedule an appointment today and see us at one of our thousands of locations.