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

Generally, your check engine light turning on upon ignition is not a bad thing. This is a sign that your vehicle is testing its circuits. The dash light shouldn't stay on. If it does, you might want to bring your vehicle in for service.

Why is my Audi A6 Quattro making engine noise?

Strange engine sounds can be a sign something’s off in your Audi A6 Quattro. Knocking or tapping could be a symptom of low oil. Whistling sounds could mean you have an intake leak or misaligned belt. Squealing may be caused by 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 Quattro engine?

Some driving habits are not so great for your engine. These include driving on a near-empty gas tank, revving your engine while the vehicle is in Park, or pushing 'the pedal to the metal' before the engine has warmed up. Protect your engine’s performance and efficiency by distancing yourself from these habits.

Can I add water to 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.

What can cause a A6 Quattro engine to 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 1998 Audi A6 Quattro

Learn about

1998 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.

V6/2.8L

Audi A6 Quattro Repairs and Services

Nothing stays the same 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 1998 Audi A6 Quattro services.

We Care for Audi A6 Quattro Engines

Audi A6 Quattro drivers trust that their A6 Quattro will take them near and far. You probably thought about that when you got it. Even so, pieces and parts can break down over time. Sometimes plans go sideways. When they do, you might find yourself searching for 1998 Audi A6 Quattro 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. Since 1926, we’ve taken care of 500 million+ cars, so you can rest assured knowing your Audi A6 Quattro engine will be in good hands. 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 1998 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 vehicle's ignition, Causes may include a faulty oxygen sensor, damaged spark plug, issues with your catalytic converter, or an engine vacuum leak, to name a few possible causes. Stop by your local Firestone Complete Auto Care to get your A6 Quattro issues diagnosed and we’ll figure out why that check engine light is giving you grief. Other signs your Audi A6 Quattro engine needs some TLC are burning smells, or engine misfiring.

Engine Repairs for Your 1998 A6 Quattro

If your 1998 A6 Quattro engine needs repairs, our technicians will make sure you understand what’s going on before they start working on your engine. We never do any work without your sign-off. If a repair can wait, we'll let you know. But if immediate repairs are necessary for your safety, we’ll make sure that's clear, too. 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 Quattro engine repairs and you can drive easy knowing that we use Audi-approved parts and fluids — timing belt, valve guide seal, ignition coil, or another part.

1998 Audi A6 Quattro Engine Q&A

Why does my A6 Quattro’s check engine light come on when I start it? Generally, your check engine light turning on upon ignition is not a bad thing. This is a sign that your vehicle is testing its circuits. The dash light shouldn't stay on. If it does, you might want to bring your vehicle in for service.
Why is my Audi A6 Quattro making engine noise? Strange engine sounds can be a sign something’s off in your Audi A6 Quattro. Knocking or tapping could be a symptom of low oil. Whistling sounds could mean you have an intake leak or misaligned belt. Squealing may be caused by 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 Quattro engine? Some driving habits are not so great for your engine. These include driving on a near-empty gas tank, revving your engine while the vehicle is in Park, or pushing 'the pedal to the metal' before the engine has warmed up. Protect your engine’s performance and efficiency by distancing yourself from these habits.
Can I add water to 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.
What can cause a A6 Quattro engine to 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.