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 dash light shouldn't stay on. If it does, you might want to bring your vehicle in for service.

Why is my Audi S5 making engine noise?

Unusual noises can signal a problem with your Audi S5 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 indicate 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 S5 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 pushing 'the pedal to the metal' before the engine has warmed up. Steer clear of these habits to help protect engine performance and efficiency.

Can I put water in my Audi S5 radiator?

It’s not recommended you put water in your S5 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 S5 engine to suddenly stop?

Reasons your S5 car engine may suddenly stop include engine overheating, electrical troubles, mechanical issues, ignition system problems, faulty sensors, and low fuel.

Who can repair my Audi S5 engine?

Your local Firestone Complete Auto Care fixes Audi S5 engines. Book an appointment today! We have thousands of locations across the country.

Reliable Repairs for 2021 Audi S5 Engines

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2021 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.

V6/3.0L

Repairs for Your 2021 Audi S5

Nothing lasts forever. Even your Audi S5’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 2021 Audi S5 repairs.

We Care for Audi S5 Engines

Audi S5 engines are known for their reliability. You may have even been thinking about that when you bought it. However, even your trustworthy engine is subject to wear and tear. Sometimes plans go sideways. If the unexpected strikes, you may search the internet frantically for quick and affordable 2021 Audi S5 engine repairs. That’s where Firestone Complete Auto Care comes in. We've serviced more than 500 million vehicles since 1926, and our technicians know 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.

My 2021 Audi S5 Check Engine Light Is On

If your S5 check engine light is on, it’s time to get it looked at. A check engine light that’s on or flashing could be a symptom of a serious problem in your car’s ignition, Possible causes can include a failing oxygen sensor, worn spark plug, a clogged catalytic converter, or a leak in the engine vacuum, but that's only a few of the possible causes. Bring your S5 in for an on-board diagnostic check and we'll determine exactly why your check engine light is on. rattling sounds, burning smells, or a sinking feeling that something’s wrong.

Audi S5 Engine Repair

If your 2021 S5 engine needs repairs, our expert techs will let you know what needs to be done and why before they get started. We don't start working until we have your approval. If a service can wait, we’ll make sure 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. Turn to Firestone Complete Auto Care for your 2021 S5 engine repairs and you can feel confident knowing that we use Audi-approved parts and components like the timing belt, motor oil seal, sensors, or a different component.

2021 Audi S5 Engine Q&A

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 dash light shouldn't stay on. If it does, you might want to bring your vehicle in for service.
Why is my Audi S5 making engine noise? Unusual noises can signal a problem with your Audi S5 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 indicate 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 S5 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 pushing 'the pedal to the metal' before the engine has warmed up. Steer clear of these habits to help protect engine performance and efficiency.
Can I put water in my Audi S5 radiator? It’s not recommended you put water in your S5 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 S5 engine to suddenly stop? Reasons your S5 car engine may suddenly stop include engine overheating, electrical troubles, mechanical issues, ignition system problems, faulty sensors, and low fuel.
Who can repair my Audi S5 engine? Your local Firestone Complete Auto Care fixes Audi S5 engines. Book an appointment today! We have thousands of locations across the country.