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. This is a sign that your vehicle is testing 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?

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 sounds could mean you have an intake leak or misaligned belt. Squealing may be caused by 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 hurt your engine. These habits include driving on an empty fuel tank, flooring the gas pedal while the car is in Park, or accelerating too quickly, too soon. Protect your engine’s performance and efficiency by distancing yourself from these habits.

Is it okay to put water in 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.

What could cause my S4 engine 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?

Your local Firestone Complete Auto Care has you covered with expert S4 engine repair. Schedule an appointment today and see us at one of our thousands of locations.

Engine Repairs for Your 2012 Audi S4

Learn about

2012 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

2012 Audi S4 Repair

Nothing stays the same forever. Even your Audi S4’s engine parts and components will change. We’re here to help when something stops working. Click on a repair below to learn more about 2012 Audi S4 repairs.

We Know Audi S4 Engines

Audi S4 engines are known for their reliability. That might be why you bought it in the first place. Even so, pieces and parts can break down over time. Sometimes plans go sideways. If they do, you’ll have to find a dependable 2012 Audi service center — quick! That’s where Firestone Complete Auto Care comes in. 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 is a top choice for professional engine diagnosis, service, and repair at an affordable price.

My 2012 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 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, to name a few possible causes. Bring your S4 in for an on-board diagnostic check and we'll determine exactly why your check engine light is on. engine rattling, essential fluid leaks, or a sinking feeling that something’s wrong.

2012 S4 Engine Services

If your 2012 Audi S4 needs engine repair, our technicians will provide you with a thorough explanation beforehand. 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 provide you with the information you need to make an informed engine repair decision. 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 cambelt, valve guide seal, ignition coil, or another part.

2012 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. This is a sign that your vehicle is testing 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? 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 sounds could mean you have an intake leak or misaligned belt. Squealing may be caused by 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 hurt your engine. These habits include driving on an empty fuel tank, flooring the gas pedal while the car is in Park, or accelerating too quickly, too soon. Protect your engine’s performance and efficiency by distancing yourself from these habits.
Is it okay to put water in 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.
What could cause my S4 engine 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? Your local Firestone Complete Auto Care has you covered with expert S4 engine repair. Schedule an appointment today and see us at one of our thousands of locations.