Why does the check engine light in my A6 Quattro turn on when I start my car?

It’s usually normal for your check engine light to turn on upon ignition. This is just your A6 Quattro testing its circuits. The light should go off shortly. Bring your vehicle in if it doesn't.

Why does my Audi engine sound different?

Unusual noises can signal a problem with your Audi A6 Quattro engine. Tapping or knocking could mean you're low on oil. A high-pitched whistle could signal an intake leak or misaligned belt. Squealing may be caused by a loose fan belt, and grinding might be coming from the brakes, not the engine.

What could damage my Audi A6 Quattro engine?

Certain driving habits can hurt your engine. These habits include driving on an empty fuel tank, flooring the gas pedal while the car 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.

Can I use water in my Audi A6 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 A6 Quattro when you’re out of coolant, having water in the coolant reservoir is better than nothing.

Why did my A6 Quattro engine suddenly stop?

If your A6 Quattro car engine suddenly stops, it could be due to overheating, low fuel, a faulty ignition system, sensor problems, electrical system trouble, or mechanical issues.

Where can I go for Audi A6 Quattro repair?

For Audi A6 Quattro engine repair, trust your local Firestone Complete Auto Care. You can make an appointment today at any of our thousands of locations across the U.S.

Engine Repairs for Your 2023 Audi A6 Quattro

Learn about

2023 Audi A6 Quattro Trim Options

Select your Audi A6 Quattro trim level to learn more about Audi-recommended engine repair. Use the following chart to find information.

L4/2.0L

V6/3.0L

Repairs for Your 2023 Audi A6 Quattro

Nothing lasts forever. Even your Audi A6 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 2023 Audi A6 Quattro services.

We Care for Audi A6 Quattro Engines

Audi A6 Quattro engines are known for their reliability. You probably thought about that when you got 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 2023 Audi A6 Quattro engine repair or replacement parts. That’s where Firestone Complete Auto Care comes in. We've serviced more than 500 million vehicles since 1926, and our technicians know Audi A6 Quattro 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 2023 Audi A6 Quattro

As soon as your A6 Quattro check engine light turns on, it’s time to get an expert’s opinion. A check engine light that’s on or flashing could be a symptom of a serious problem in your car’s starter, Potential causes may include a faulty oxygen sensor, worn spark plug, a clogged catalytic converter, or a leaking engine vacuum, to name a few potential sources. Stop by your local Firestone Complete Auto Care to get your A6 Quattro issues diagnosed and we'll determine exactly why your check engine light is on. rattling sounds, burning smells, or misfiring.

2023 A6 Quattro Engine Services

If your 2023 Audi A6 Quattro 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 service can wait, we’ll make sure you know. But if immediate repairs are necessary for your safety, we’ll make sure that's clear, too. 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 A6 Quattro engine repairs and you can feel good knowing that we only use Audi-compliant replacement parts such as the serpentine belt, valve guide seal, sensors, or another part.

2023 Audi A6 Quattro Engine Q&A

Why does the check engine light in my A6 Quattro turn on when I start my car? It’s usually normal for your check engine light to turn on upon ignition. This is just your A6 Quattro testing its circuits. The light should go off shortly. Bring your vehicle in if it doesn't.
Why does my Audi engine sound different? Unusual noises can signal a problem with your Audi A6 Quattro engine. Tapping or knocking could mean you're low on oil. A high-pitched whistle could signal an intake leak or misaligned belt. Squealing may be caused by a loose fan belt, and grinding might be coming from the brakes, not the engine.
What could damage my Audi A6 Quattro engine? Certain driving habits can hurt your engine. These habits include driving on an empty fuel tank, flooring the gas pedal while the car 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.
Can I use water in my Audi A6 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 A6 Quattro when you’re out of coolant, having water in the coolant reservoir is better than nothing.
Why did my A6 Quattro engine suddenly stop? If your A6 Quattro car engine suddenly stops, it could be due to overheating, low fuel, a faulty ignition system, sensor problems, electrical system trouble, or mechanical issues.
Where can I go for Audi A6 Quattro repair? For Audi A6 Quattro engine repair, trust your local Firestone Complete Auto Care. You can make an appointment today at any of our thousands of locations across the U.S.