Why does the check engine light come on when I start my A4?

Generally, your check engine light turning on upon ignition is not a bad thing. It’s just your A4 firing up its circuits. The light should go off shortly. Bring your vehicle in if it doesn't.

Why does my Audi engine sound different?

Strange under-the-hood noises can point to problems within your Audi A4 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 A4 engine?

Certain driving habits can hurt your engine. These habits include driving on an empty fuel tank, revving the engine while still in Park, or slamming the gas pedal while the engine is still cold. Protect your engine’s performance and efficiency by distancing yourself from these habits.

Can I put water in my Audi A4 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 can cause a A4 engine to suddenly stop?

Your A4 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 A4 repair?

Your local Firestone Complete Auto Care has you covered with expert A4 engine repair. Schedule an appointment today and see us at one of our thousands of locations.

2011 Audi A4 Engine Repair

Learn about

2011 Audi A4 Trim Options

Select your Audi A4 trim level to learn more about Audi-recommended engine repair. Use the following chart to find information.

L4/1.8L

L4/2.0L

2011 Audi A4 Repair

Nothing stays the same forever. Even your Audi A4’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 2011 Audi A4 services.

We Know Audi A4 Engines

Audi A4 drivers trust that their A4 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 2011 Audi A4 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. We've serviced millions of vehicles since 1926, and our professional technicians are trained to service Audi A4 engines. 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.

Illuminated Check Engine Light on 2011 Audi A4

If your A4 check engine light is on, it’s time to get it looked at. A check engine light that’s flashing or steadily illuminated could point to problems with your vehicle's ignition, Possible causes can include a failing oxygen sensor, bad spark plug, issues with your catalytic converter, or a leaking engine vacuum, but that's only a few of the possible causes. Bring your A4 in for an on-board diagnostic check and we’ll figure out why that check engine light is giving you grief. Other signs your Audi A4 engine needs some TLC are burning smells, or misfiring.

Engine Repairs for Your 2011 A4

If your 2011 A4 engine needs repairs, our technicians will make sure you understand what’s going on before they start working on your engine. We make recommendations, but you make the final decision. If a service can wait, we’ll make sure 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. Turn to Firestone Complete Auto Care for your 2011 A4 engine repairs and you can drive easy knowing that we use Audi-approved parts and fluids — timing belt, oil gasket, ignition coil, or a different component.

Questions About 2011 Audi A4 Engines

Why does the check engine light come on when I start my A4? Generally, your check engine light turning on upon ignition is not a bad thing. It’s just your A4 firing up its circuits. The light should go off shortly. Bring your vehicle in if it doesn't.
Why does my Audi engine sound different? Strange under-the-hood noises can point to problems within your Audi A4 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 A4 engine? Certain driving habits can hurt your engine. These habits include driving on an empty fuel tank, revving the engine while still in Park, or slamming the gas pedal while the engine is still cold. Protect your engine’s performance and efficiency by distancing yourself from these habits.
Can I put water in my Audi A4 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 can cause a A4 engine to suddenly stop? Your A4 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 A4 repair? Your local Firestone Complete Auto Care has you covered with expert A4 engine repair. Schedule an appointment today and see us at one of our thousands of locations.