Why does the check engine light come on when I start my S5?

Generally, your check engine light turning on upon ignition is not a bad thing. This is just your S5 testing its circuits. The light should go off shortly. Bring your vehicle in if it doesn't.

Why is my Audi S5 making engine noise?

Strange under-the-hood noises can point to problems within your Audi S5 engine. 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 a sign of brake problems rather than engine issues.

What could damage my Audi S5 engine?

Certain driving habits can damage your engine and should be avoided. These habits include 'running on fumes,' flooring the gas pedal while the car is in Park, or slamming the gas pedal while the engine is still cold. Steer clear of these habits to help protect engine performance and efficiency.

Is it okay to put water in my Audi S5 radiator?

While it’s not recommended, you can use water in your S5 radiator in emergencies. Normally, you should only use a 50/50 mix of coolant and water or a pre-mixed coolant. However, if you are completely out of coolant and must continue driving, it’s better to have water in your coolant reservoir than nothing.

What could cause my S5 engine to suddenly stop?

There are different reasons your S5 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 repairs Audi S5 engines?

Your local Firestone Complete Auto Care has you covered with expert S5 engine repair. Schedule an appointment today and see us at one of our thousands of locations.

Reliable Repairs for 2009 Audi S5 Engines

Learn about

2009 Audi S5 Trim Options

Select your Audi S5 trim level to learn more about Audi-recommended engine repair. Even Audi S5 parts will get older and change.

V8/4.2L

Repairs for Your 2009 Audi S5

Nothing lasts forever. Even your Audi S5's many parts and pieces. We’re here to help when something stops working. Select a repair or category to learn more about 2009 Audi S5 services.

We Care for Audi S5 Engines

Audi S5 drivers trust that their S5 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. Things can go wrong on the road. When they do, you might find yourself searching for 2009 Audi S5 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 S5 engines. If you think something’s wrong with your engine, schedule an appointment at your convenience. After all, Firestone Complete Auto Care is one of the most popular picks for professional engine repairs thanks to its service and affordability.

Illuminated Check Engine Light on 2009 Audi S5

As soon as your S5 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 or emission system that won't go away on its own. Causes may include a faulty oxygen sensor, damaged spark plug, a problem with your catalytic converter, or a leaking engine vacuum, but that's only a few of the possible causes. Stop by your local Firestone Complete Auto Care to get your S5 issues diagnosed and our expert techs will get the root of the problem. engine rattling, burning smells, or misfiring.

Engine Repairs for Your 2009 S5

When your Audi S5 engine needs repairs, our technicians will provide you with a thorough explanation beforehand. We make recommendations, but you make the final decision. If a repair isn’t urgent right now, 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. Choose Firestone Complete Auto Care for Audi S5 engine repairs and you can feel good knowing that we only use Audi-compliant replacement parts such as the cambelt, engine oil seal, sensors, or other parts.

Engine Q&A 2009 Audi S5

Why does the check engine light come on when I start my S5? Generally, your check engine light turning on upon ignition is not a bad thing. This is just your S5 testing its circuits. The light should go off shortly. Bring your vehicle in if it doesn't.
Why is my Audi S5 making engine noise? Strange under-the-hood noises can point to problems within your Audi S5 engine. 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 a sign of brake problems rather than engine issues.
What could damage my Audi S5 engine? Certain driving habits can damage your engine and should be avoided. These habits include 'running on fumes,' flooring the gas pedal while the car is in Park, or slamming the gas pedal while the engine is still cold. Steer clear of these habits to help protect engine performance and efficiency.
Is it okay to put water in my Audi S5 radiator? While it’s not recommended, you can use water in your S5 radiator in emergencies. Normally, you should only use a 50/50 mix of coolant and water or a pre-mixed coolant. However, if you are completely out of coolant and must continue driving, it’s better to have water in your coolant reservoir than nothing.
What could cause my S5 engine to suddenly stop? There are different reasons your S5 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 repairs Audi S5 engines? Your local Firestone Complete Auto Care has you covered with expert S5 engine repair. Schedule an appointment today and see us at one of our thousands of locations.