Why does my A6’s check engine light come on when I start it?

It’s usually normal for your check engine light to turn on upon ignition. It’s just your A6 firing up its circuits. The light should turn off in a bit, but come see us if it doesn't.

Why does my Audi engine sound different?

Unusual noises can signal a problem with your Audi A6 engine. Tapping or knocking could mean you need an oil change. Whistling sounds could mean you have an intake leak or misaligned belt. 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 my Audi A6 engine?

Certain driving habits can damage your engine and should be avoided. These habits include 'running on fumes,' revving your engine while the vehicle is in Park, or accelerating too quickly, too soon. Protect your engine’s performance and efficiency by distancing yourself from these habits.

Can I put water in my Audi A6 radiator?

While it’s not recommended, you can use water in your A6 radiator in emergencies. Normally, you should only use a 50/50 mix of coolant and water or a pre-mixed coolant. However, if you are completely out of coolant and must continue driving, it’s better to have water in your coolant reservoir than nothing.

What could cause my A6 engine to suddenly stop?

Your A6 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 Audi A6 repair?

For Audi A6 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.

2003 Audi A6 Engine Repair

Learn about

2003 Audi A6 Trim Options

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

V6/3.0L

Audi A6 Repairs and Services

Stuff wears out. Even your Audi A6'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 2003 Audi A6.

We’re Trained to Care for Audi A6 Engines

Audi A6 drivers trust that their A6 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 2003 Audi A6 engine repair or replacement parts. 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 Audi A6 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.

Check Engine Light on 2003 Audi A6

As soon as your A6 check engine light turns on, it’s time to get an expert’s opinion. A steady or flashing check engine light could signal a serious issue with your or emission system, and it won’t go away by ignoring it. Possible causes can include a failing oxygen sensor, bad spark plug, issues with your catalytic converter, or a leak in the engine vacuum, but that's only a few of the possible causes. Bring your A6 in for an on-board diagnostic check and we’ll figure out why that check engine light is giving you grief. Other signs your Audi A6 engine needs some TLC are burning smells, or misfiring.

Engine Repairs for Your 2003 A6

If your 2003 A6 engine needs repairs, our expert techs will let you know what needs to be done and why before they get started. We never do any work without your sign-off. If a repair can wait, we'll let you know. We'll also tell you if it's necessary for your safety. We seek to give you all the info you need to make a smart decision about our services. By choosing Firestone Complete Auto Care for A6 engine repairs and you can drive easy knowing that we use Audi-approved parts and fluids — serpentine belt, engine oil seal, sensors, or a different component.

Questions About 2003 Audi A6 Engines

Why does my A6’s check engine light come on when I start it? It’s usually normal for your check engine light to turn on upon ignition. It’s just your A6 firing up its circuits. The light should turn off in a bit, but come see us if it doesn't.
Why does my Audi engine sound different? Unusual noises can signal a problem with your Audi A6 engine. Tapping or knocking could mean you need an oil change. Whistling sounds could mean you have an intake leak or misaligned belt. 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 my Audi A6 engine? Certain driving habits can damage your engine and should be avoided. These habits include 'running on fumes,' revving your engine while the vehicle is in Park, or accelerating too quickly, too soon. Protect your engine’s performance and efficiency by distancing yourself from these habits.
Can I put water in my Audi A6 radiator? While it’s not recommended, you can use water in your A6 radiator in emergencies. Normally, you should only use a 50/50 mix of coolant and water or a pre-mixed coolant. However, if you are completely out of coolant and must continue driving, it’s better to have water in your coolant reservoir than nothing.
What could cause my A6 engine to suddenly stop? Your A6 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 Audi A6 repair? For Audi A6 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.