Why does the check engine light come on when I start my 90 Quattro?

It's okay if your check engine light comes on when you first start your vehicle. This is just your 90 Quattro testing its circuits. The light should turn off in a bit, but come see us if it doesn't.

Why is my Audi 90 Quattro making engine noise?

Strange under-the-hood noises can point to problems within your Audi 90 Quattro engine. Tapping or knocking could mean you're low on oil. Whistling sounds could mean you have an intake leak or misaligned belt. Squealing can indicate a loose fan belt, and grinding might be a sign of brake problems rather than engine issues.

What could damage my Audi 90 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. Help sustain your engine’s performance and efficiency by staying miles away from these bad driving practices.

Can I put water in my Audi 90 Quattro radiator?

While it’s not recommended, you can use water in your 90 Quattro 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 can cause the engine in my 90 Quattro to suddenly stop?

Your 90 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 90 Quattro engines?

Your local Firestone Complete Auto Care has you covered with expert 90 Quattro engine repair. Schedule an appointment today and see us at one of our thousands of locations.

Engine Repairs for Your 1989 Audi 90 Quattro

Learn about

1989 Audi 90 Quattro Trim Options

Select your Audi 90 Quattro trim level to learn more about Audi-recommended engine repair. Use the following chart to find information.

L5/2.3L

Repairs for Your 1989 Audi 90 Quattro

Stuff wears out. Even your Audi 90 Quattro's many parts and pieces. When something breaks, we're ready. Select a repair or category to learn more about 1989 Audi 90 Quattro services.

We’re Trained to Care for Audi 90 Quattro Engines

The Audi 90 Quattro is respected for its reliability. You may have even been thinking about that when you bought it. However, the wear-proof engine has yet to be invented! Things can go sideways sometimes. If they do, you’ll have to find a dependable 1989 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 90 Quattro 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 1989 Audi 90 Quattro

If your 90 Quattro check engine light is on, it’s time to get it looked at. A check engine light that’s flashing or steadily illuminated could point to problems with your combustion, Causes may include a faulty oxygen sensor, worn spark plug, a problem with your catalytic converter, or a leak in the engine vacuum, but that's only a few of the possible causes. Bring your 90 Quattro to Firestone Complete Auto Care to get computerized diagnostics and our expert techs will get the root of the problem. engine rattling, burning smells, or misfiring.

Engine Repairs for Your 1989 90 Quattro

If your 1989 90 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. 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. Choose Firestone Complete Auto Care for Audi 90 Quattro engine repairs and you can feel good knowing that we only use Audi-compliant replacement parts such as the cambelt, engine oil seal, ignition coil, or other parts.

Questions About 1989 Audi 90 Quattro Engines

Why does the check engine light come on when I start my 90 Quattro? It's okay if your check engine light comes on when you first start your vehicle. This is just your 90 Quattro testing its circuits. The light should turn off in a bit, but come see us if it doesn't.
Why is my Audi 90 Quattro making engine noise? Strange under-the-hood noises can point to problems within your Audi 90 Quattro engine. Tapping or knocking could mean you're low on oil. Whistling sounds could mean you have an intake leak or misaligned belt. Squealing can indicate a loose fan belt, and grinding might be a sign of brake problems rather than engine issues.
What could damage my Audi 90 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. Help sustain your engine’s performance and efficiency by staying miles away from these bad driving practices.
Can I put water in my Audi 90 Quattro radiator? While it’s not recommended, you can use water in your 90 Quattro 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 can cause the engine in my 90 Quattro to suddenly stop? Your 90 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 90 Quattro engines? Your local Firestone Complete Auto Care has you covered with expert 90 Quattro engine repair. Schedule an appointment today and see us at one of our thousands of locations.