Why does my A4 Quattro’s check engine light come on when I start it?

Generally, your check engine light turning on upon ignition is not a bad thing. This is just your A4 Quattro testing its circuits. The dash light shouldn't stay on. If it does, you might want to bring your vehicle in for service.

Are Audi A4 Quattro engine noises bad?

Strange engine sounds can be a sign something’s off in your Audi A4 Quattro. 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 could be a sign that something is wrong with your brakes — not the engine.

What could damage my Audi A4 Quattro engine?

Certain driving habits can hurt your engine. These habits include driving on an empty fuel tank, revving your engine while the vehicle is 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.

Is it okay to put water in my Audi A4 Quattro radiator?

It’s not recommended you put water in your A4 Quattro radiator unless it’s an emergency. Under normal circumstances, use a 50/50 mix of water and coolant or a pre-mixed coolant. But, if you need to keep driving while out of coolant, using water is better than driving with an empty coolant reservoir.

What could cause my A4 Quattro engine to suddenly stop?

There are different reasons your A4 Quattro 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 can repair my Audi A4 Quattro engine?

For Audi A4 Quattro 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 2012 Audi A4 Quattro

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2012 Audi A4 Quattro Trim Options

Select your Audi A4 Quattro trim level to learn more about Audi-recommended engine repair. Even Audi A4 Quattro parts will get older and change.

L4/2.0L

V6/3.2L

Audi A4 Quattro Repairs and Services

Stuff wears out. Even your Audi A4 Quattro's many parts and pieces. We’re here to help when something stops working. Select a service or repair below to learn more about what we can do for your 2012 Audi A4 Quattro.

We Know Audi A4 Quattro Engines

Audi A4 Quattro drivers trust that their A4 Quattro will take them near and far. You may have even been thinking about that when you bought it. However, even your trustworthy engine is subject to wear and tear. Things can go sideways sometimes. If the unexpected strikes, you may search the internet frantically for quick and affordable 2012 Audi A4 Quattro engine repairs. That's when it's time to head to Firestone Complete Auto Care. We've serviced millions of vehicles since 1926, and our professional technicians are trained to service Audi A4 Quattro 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.

My 2012 Audi A4 Quattro Check Engine Light Is On

An illuminated check engine light on your Audi A4 Quattro is one of the first signs it's time to 'brake' for engine service. A check engine light that’s flashing or steadily illuminated could point to problems with your vehicle's ignition, Causes may include a faulty oxygen sensor, worn spark plug, issues with your catalytic converter, or a leaking engine vacuum, to name a few potential sources. Bring your A4 Quattro to Firestone Complete Auto Care to get computerized diagnostics and our expert techs will get the root of the problem. Other signs it's time for Audi A4 Quattro engine service might include oil leaks, or a sinking feeling that something’s wrong.

Engine Repairs for Your 2012 A4 Quattro

When your Audi A4 Quattro 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 can wait, we'll let you know. If it's necessary for your safety, we'll make sure you understand that, too. We want to provide you with the information you need to make an informed engine repair decision. Turn to Firestone Complete Auto Care for your 2012 A4 Quattro engine repairs and you can feel good knowing that we only use Audi-compliant replacement parts such as the serpentine belt, valve guide seal, sensors, or a different component.

Engine Q&A 2012 Audi A4 Quattro

Why does my A4 Quattro’s check engine light come on when I start it? Generally, your check engine light turning on upon ignition is not a bad thing. This is just your A4 Quattro testing its circuits. The dash light shouldn't stay on. If it does, you might want to bring your vehicle in for service.
Are Audi A4 Quattro engine noises bad? Strange engine sounds can be a sign something’s off in your Audi A4 Quattro. 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 could be a sign that something is wrong with your brakes — not the engine.
What could damage my Audi A4 Quattro engine? Certain driving habits can hurt your engine. These habits include driving on an empty fuel tank, revving your engine while the vehicle is 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.
Is it okay to put water in my Audi A4 Quattro radiator? It’s not recommended you put water in your A4 Quattro radiator unless it’s an emergency. Under normal circumstances, use a 50/50 mix of water and coolant or a pre-mixed coolant. But, if you need to keep driving while out of coolant, using water is better than driving with an empty coolant reservoir.
What could cause my A4 Quattro engine to suddenly stop? There are different reasons your A4 Quattro 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 can repair my Audi A4 Quattro engine? For Audi A4 Quattro 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.