Why does the check engine light come on when I start my S4?

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.

Why is my Audi S4 making engine noise?

Strange under-the-hood noises can point to problems within your Audi S4 engine. 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 could be a sign that something is wrong with your 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 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 S4 radiator?

Only in emergencies. A 50/50 mix of coolant and water (or a pre-mixed) coolant is recommended. However, if you must keep driving when you're out of coolant, it's better to drive with water in your coolant reservoir than nothing.

Why did my S4 engine suddenly stop?

If your S4 car engine suddenly stops, it could be due to overheating, low fuel, a faulty ignition system, sensor problems, electrical system trouble, or mechanical issues.

Who fixes Audi S4 engines?

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.

Engine Repairs for Your 2014 Audi S4

Learn about

2014 Audi S4 Trim Options

Select your Audi S4 trim level to learn more about Audi-recommended engine repair. Even Audi S4 parts will get older and change.

V6/3.0L

Audi S4 Repairs and Services

Nothing lasts forever. Even your Audi S4's many parts and pieces. When something breaks, we're ready. Select a service or repair below to learn more about what we can do for your 2014 Audi S4.

We’re Trained to Care for Audi S4 Engines

Audi S4 drivers trust that their S4 will take them near and far. You may have even been thinking about that when you bought it. However, the wear-proof engine has yet to be invented! Things can go sideways sometimes. If they do, you’ll have to find a dependable 2014 Audi service center — quick! That's when it's time to head to Firestone Complete Auto Care. We've serviced more than 500 million vehicles since 1926, and our technicians know Audi S4 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.

Check Engine Light on 2014 Audi S4

If your S4 check engine light is on, it’s time to get it looked at. 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. Causes may include a faulty 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 S4 in for an on-board diagnostic check and we'll determine exactly why your check engine light is on. Other signs it's time for Audi S4 engine service might include burning smells, or engine misfiring.

2014 S4 Engine Services

If your 2014 S4 engine needs repairs, our expert techs will let you know what needs to be done and why before they get started. We make recommendations, but you make the final decision. 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 want to give you all the details you need to make an informed decision about your engine repairs. By choosing Firestone Complete Auto Care for S4 engine repairs and you can feel confident knowing that we use Audi-approved parts and components like the timing chain or belt, oil gasket, sensors, or other parts.

2014 Audi S4 Engine Q&A

Why does the check engine light come on when I start my S4? 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.
Why is my Audi S4 making engine noise? Strange under-the-hood noises can point to problems within your Audi S4 engine. 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 could be a sign that something is wrong with your 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 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 S4 radiator? Only in emergencies. A 50/50 mix of coolant and water (or a pre-mixed) coolant is recommended. However, if you must keep driving when you're out of coolant, it's better to drive with water in your coolant reservoir than nothing.
Why did my S4 engine suddenly stop? If your S4 car engine suddenly stops, it could be due to overheating, low fuel, a faulty ignition system, sensor problems, electrical system trouble, or mechanical issues.
Who fixes Audi S4 engines? 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.