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. It’s just your A4 Quattro firing up its circuits. The dash light shouldn't stay on. If it does, you might want to bring your vehicle in for service.

Why does my Audi engine sound different?

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. A high-pitched whistle could signal 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 A4 Quattro engine?

Some driving habits are not so great for your engine. These include driving on a near-empty gas 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 A4 Quattro 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 Quattro engine to suddenly stop?

Your A4 Quattro car engine could stop suddenly due to low fuel, electrical issues, overheating, a faulty ignition system, mechanical troubles, or sensor problems.

Who repairs Audi A4 Quattro engines?

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

Engine Repairs for Your 2018 Audi A4 Quattro

Learn about

2018 Audi A4 Quattro Trim Options

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

L4/2.0L

Repairs for Your 2018 Audi A4 Quattro

Nothing stays the same forever. Even your Audi A4 Quattro's many parts and pieces. We’re here to help when something stops working. Select a repair or category to learn more about 2018 Audi A4 Quattro services.

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. Even so, pieces and parts can break down over time. Sometimes plans go sideways. If they do, you’ll have to find a dependable 2018 Audi service center — quick! That’s where Firestone Complete Auto Care comes in. Since 1926, we’ve taken care of 500 million+ cars, so you can rest assured knowing your Audi A4 Quattro engine will be in good hands. Schedule an appointment if you're experiencing problems that could require engine repair. Firestone Complete Auto Care offers both trustworthy and affordable engine repairs.

Illuminated Check Engine Light on 2018 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 on or flashing could be a symptom of a serious problem in your car’s starter, Potential causes may include a faulty oxygen sensor, bad spark plug, a problem with your catalytic converter, or an engine vacuum leak, but that's only a few of the possible causes. Bring your A4 Quattro to Firestone Complete Auto Care to get computerized diagnostics and we'll determine exactly why your check engine light is on. rattling sounds, burning smells, or misfiring.

2018 A4 Quattro Engine Services

If your 2018 Audi A4 Quattro needs engine repair, our technicians will provide you with a thorough explanation beforehand. We don't start working until we have your approval. If a repair can wait, we'll let 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. By choosing Firestone Complete Auto Care for A4 Quattro engine repairs and you can feel confident knowing that we use Audi-approved parts and components like the cambelt, motor oil seal, ignition coil, or another part.

Engine Q&A 2018 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. It’s just your A4 Quattro firing up its circuits. The dash light shouldn't stay on. If it does, you might want to bring your vehicle in for service.
Why does my Audi engine sound different? 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. A high-pitched whistle could signal 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 A4 Quattro engine? Some driving habits are not so great for your engine. These include driving on a near-empty gas 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 A4 Quattro 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 Quattro engine to suddenly stop? Your A4 Quattro car engine could stop suddenly due to low fuel, electrical issues, overheating, a faulty ignition system, mechanical troubles, or sensor problems.
Who repairs Audi A4 Quattro engines? Your local Firestone Complete Auto Care has you covered with expert A4 Quattro engine repair. Schedule an appointment today and see us at one of our thousands of locations.