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

It's okay if your check engine light comes on when you first start your vehicle. It’s just your A4 Quattro firing up its circuits. The light should turn off in a bit, but come see us if it doesn't.

Are Audi A4 Quattro engine noises bad?

Strange under-the-hood noises can point to problems within your Audi A4 Quattro engine. Tapping or knocking could mean you need an oil change. Whistling sounds could mean you have an intake leak or misaligned belt. 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 A4 Quattro 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 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 use 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.

Why did my A4 Quattro engine suddenly stop?

Reasons your A4 Quattro car engine may suddenly stop include engine overheating, electrical troubles, mechanical issues, ignition system problems, faulty sensors, and low fuel.

Who fixes Audi A4 Quattro engines?

Your local Firestone Complete Auto Care fixes Audi A4 Quattro engines. Book an appointment today! We have thousands of locations across the country.

Engine Repairs for Your 2009 Audi A4 Quattro

Learn about

2009 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

Repairs for Your 2009 Audi A4 Quattro

Stuff wears out. Even your Audi A4 Quattro’s engine parts and components will change. 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 2009 Audi A4 Quattro.

We’re Trained to Care for Audi A4 Quattro Engines

Audi A4 Quattro drivers trust that their A4 Quattro will take them near and far. That might be why you bought it in the first place. However, the wear-proof engine has yet to be invented! Things can go wrong on the road. If they do, you’ll have to find a dependable 2009 Audi service center — quick! That’s where Firestone Complete Auto Care comes in. We've serviced more than 500 million vehicles since 1926, and our technicians know Audi A4 Quattro 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.

Illuminated Check Engine Light on 2009 Audi A4 Quattro

As soon as your A4 Quattro check engine light turns on, it’s time to get an expert’s opinion. A check engine light that’s flashing or steadily illuminated could point to problems with your fuel injection, Potential causes may include a faulty oxygen sensor, bad spark plug, issues with your catalytic converter, or an engine vacuum leak, to name a few potential sources. Bring your A4 Quattro in for an on-board diagnostic check and we'll determine exactly why your check engine light is on. Other signs your Audi A4 Quattro engine needs some TLC are burning smells, or misfiring.

Audi A4 Quattro Engine Repair

If your 2009 Audi A4 Quattro 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. We'll also tell you if it's necessary for your safety. We want to provide you with the information you need to make an informed engine repair decision. Choose Firestone Complete Auto Care for Audi A4 Quattro engine repairs and you can feel good knowing that we only use Audi-compliant replacement parts such as the cambelt, valve guide seal, fuses, or another part.

2009 Audi A4 Quattro Engine Q&A

Why does my A4 Quattro’s check engine light come on when I start it? It's okay if your check engine light comes on when you first start your vehicle. It’s just your A4 Quattro firing up its circuits. The light should turn off in a bit, but come see us if it doesn't.
Are Audi A4 Quattro engine noises bad? Strange under-the-hood noises can point to problems within your Audi A4 Quattro engine. Tapping or knocking could mean you need an oil change. Whistling sounds could mean you have an intake leak or misaligned belt. 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 A4 Quattro 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 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 use 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.
Why did my A4 Quattro engine suddenly stop? Reasons your A4 Quattro car engine may suddenly stop include engine overheating, electrical troubles, mechanical issues, ignition system problems, faulty sensors, and low fuel.
Who fixes Audi A4 Quattro engines? Your local Firestone Complete Auto Care fixes Audi A4 Quattro engines. Book an appointment today! We have thousands of locations across the country.