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. This is just your S4 testing its circuits. The dash light shouldn't stay on. If it does, you might want to bring your vehicle in for service.

Why does my Audi engine sound different?

Strange engine sounds can be a sign something’s off in your Audi S4. Knocking or tapping could be a symptom of low oil. Whistling could mean a belt is misaligned or there's an intake leak. Squealing can be traced back to a loose fan belt, and grinding might be coming from the brakes, not the engine.

What could damage my Audi S4 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 accelerating too quickly, too soon. Steer clear of these habits to help protect engine performance and efficiency.

Can I use water in my Audi S4 radiator?

While it’s not recommended, you can use water in your S4 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 S4 engine to suddenly stop?

There are different reasons your S4 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 S4 engines?

Your local Firestone Complete Auto Care offers Audi S4 engine repair. Schedule an appointment today at one of our thousands of locations nationwide!

2020 Audi S4 Engine Repair

Learn about

2020 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.

V6/3.0L

Repairs for Your 2020 Audi S4

Stuff wears out. Even your Audi S4’s engine parts and components will change. We’re here to help when something stops working. Select a repair or category to learn more about 2020 Audi S4 services.

We Care for Audi S4 Engines

Audi S4 engines are known for their reliability. You probably thought about that when you got it. However, the wear-proof engine has yet to be invented! Sometimes plans go sideways. When they do, you might find yourself searching for 2020 Audi S4 engine repair or replacement parts. That’s where Firestone Complete Auto Care comes in. We've serviced millions of vehicles since 1926, and our professional technicians are trained to service Audi S4 engines. Schedule an appointment if you're experiencing problems that could require engine repair. Firestone Complete Auto Care offers both trustworthy and affordable engine repairs.

Illuminated Check Engine Light on 2020 Audi S4

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 or emission system, and it won’t go away by ignoring it. Causes may include a faulty oxygen sensor, worn spark plug, issues with your catalytic converter, or an engine vacuum leak, 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 our expert techs will get the root of the problem. Other signs it's time for Audi S4 engine service might include burning smells, or a sinking feeling that something’s wrong.

2020 S4 Engine Services

If your 2020 Audi S4 needs engine repair, 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. If it's necessary for your safety, we'll make sure you understand that, too. We seek to give you all the info you need to make a smart decision about our services. Turn to Firestone Complete Auto Care for your 2020 S4 engine repairs and you can feel good knowing that we only use Audi-compliant replacement parts such as the timing belt, valve guide seal, ignition coil, or other parts.

Questions About 2020 Audi S4 Engines

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. This is just your S4 testing its circuits. The dash light shouldn't stay on. If it does, you might want to bring your vehicle in for service.
Why does my Audi engine sound different? Strange engine sounds can be a sign something’s off in your Audi S4. Knocking or tapping could be a symptom of low oil. Whistling could mean a belt is misaligned or there's an intake leak. Squealing can be traced back to a loose fan belt, and grinding might be coming from the brakes, not the engine.
What could damage my Audi S4 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 accelerating too quickly, too soon. Steer clear of these habits to help protect engine performance and efficiency.
Can I use water in my Audi S4 radiator? While it’s not recommended, you can use water in your S4 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 S4 engine to suddenly stop? There are different reasons your S4 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 S4 engines? Your local Firestone Complete Auto Care offers Audi S4 engine repair. Schedule an appointment today at one of our thousands of locations nationwide!