Why does the check engine light in my S4 turn on when I start my car?

It’s usually normal for your check engine light to turn on upon ignition. It’s just your S4 firing up its circuits. The light should go off shortly. Bring your vehicle in if it doesn't.

Are Audi S4 engine noises bad?

Unusual noises can signal a problem with your Audi S4 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 indicate a loose fan belt, and grinding could be a sign that something is wrong with your brakes — not the engine.

What could damage a Audi engine? [ordered-list-1-item-3-1]Are you unknowingly damaging your Audi S4 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 slamming the gas pedal while the engine is still cold. Steer clear of these habits to help protect engine performance and efficiency.

Can I add water to my Audi S4 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 S4 when you’re out of coolant, having water in the coolant reservoir is better than nothing.

What can cause the engine in my S4 to suddenly stop?

Your S4 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 S4 repair?

For Audi S4 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.

2008 Audi S4 Engine Repair

Learn about

2008 Audi S4 Trim Options

Select your Audi S4 trim level to learn more about Audi-recommended engine repair. Use the following chart to find information.

V8/4.2L

Repairs for Your 2008 Audi S4

Stuff wears out. Even your Audi S4’s engine parts and components will change. When something breaks or fails, we’re ready to help. Select a repair or category to learn more about 2008 Audi S4 services.

We’re Trained to Care for Audi S4 Engines

Audi S4 engines are known for their reliability. That might be why you bought it in the first place. However, even your trustworthy engine is subject to wear and tear. Sometimes plans go sideways. If they do, you’ll have to find a dependable 2008 Audi service center — quick! That's when it's time to head to Firestone Complete Auto Care. Since 1926, we’ve taken care of 500 million+ cars, so you can rest assured knowing your Audi S4 engine will be in good hands. If you think something’s wrong with your engine, schedule an appointment at your convenience. Firestone Complete Auto Care offers both trustworthy and affordable engine repairs.

My 2008 Audi S4 Check Engine Light Is On

As soon as your S4 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 ignition, Causes may include a faulty oxygen sensor, bad 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. Stop by your local Firestone Complete Auto Care to get your S4 issues diagnosed and we’ll figure out why that check engine light is giving you grief. Other signs it's time for Audi S4 engine service might include essential fluid leaks, or misfiring.

Audi S4 Engine Repair

When your Audi S4 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 isn’t urgent right now, 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 S4 engine repairs and you can feel good knowing that we only use Audi-compliant replacement parts such as the serpentine belt, oil gasket, sensors, or another part.

Engine Q&A 2008 Audi S4

Why does the check engine light in my S4 turn on when I start my car? It’s usually normal for your check engine light to turn on upon ignition. It’s just your S4 firing up its circuits. The light should go off shortly. Bring your vehicle in if it doesn't.
Are Audi S4 engine noises bad? Unusual noises can signal a problem with your Audi S4 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 indicate a loose fan belt, and grinding could be a sign that something is wrong with your brakes — not the engine.
What could damage a Audi engine? [ordered-list-1-item-3-1]Are you unknowingly damaging your Audi S4 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 slamming the gas pedal while the engine is still cold. Steer clear of these habits to help protect engine performance and efficiency.
Can I add water to my Audi S4 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 S4 when you’re out of coolant, having water in the coolant reservoir is better than nothing.
What can cause the engine in my S4 to suddenly stop? Your S4 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 S4 repair? For Audi S4 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.