Why does the check engine light in my 90 turn on when I start my car?

Generally, your check engine light turning on upon ignition is not a bad thing. This is a sign that your vehicle is 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 90 making engine noise?

Strange under-the-hood noises can point to problems within your Audi 90 engine. Knocking or tapping could be a symptom of low oil. A high-pitched whistle could signal an intake leak or misaligned belt. Squealing may be caused by a loose fan belt, and grinding might be coming from the brakes, not the engine.

What could damage a Audi engine? [ordered-list-1-item-3-1]Are you unknowingly damaging your Audi 90 engine?

Certain driving habits can damage your engine and should be avoided. These habits include 'running on fumes,' revving your engine while the vehicle is in Park, or accelerating too quickly, too soon. Steer clear of these habits to help protect engine performance and efficiency.

Can I use water in my Audi 90 radiator?

It’s not recommended you put water in your 90 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 can cause the engine in my 90 to suddenly stop?

There are different reasons your 90 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 can repair my Audi 90 engine?

Your local Firestone Complete Auto Care offers Audi 90 engine repair. Schedule an appointment today at one of our thousands of locations nationwide!

Reliable Repairs for 1990 Audi 90 Engines

Learn about

1990 Audi 90 Trim Options

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

L5/2.3L

1990 Audi 90 Repair

Stuff wears out. Even your Audi 90's many parts and pieces. When something breaks, we're ready. Select a repair or category to learn more about 1990 Audi 90 services.

We Care for Audi 90 Engines

Audi 90 drivers trust that their 90 will take them near and far. You may have even been thinking about that when you bought 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 1990 Audi 90 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 90 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 1990 Audi 90 Check Engine Light Is On

As soon as your 90 check engine light turns on, it’s time to get an expert’s opinion. A steady or flashing check engine light could signal a serious issue with your car’s ignition, Possible causes can include a failing oxygen sensor, damaged spark plug, a clogged catalytic converter, or a leaking engine vacuum, but that's only a few of the possible causes. Bring your 90 to Firestone Complete Auto Care to get computerized diagnostics and we'll determine exactly why your check engine light is on. engine pinging noises, burning smells, or a sinking feeling that something’s wrong.

Engine Repairs for Your 1990 90

If your 1990 90 engine needs repairs, 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. 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 90 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 1990 Audi 90

Why does the check engine light in my 90 turn on when I start my car? Generally, your check engine light turning on upon ignition is not a bad thing. This is a sign that your vehicle is 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 90 making engine noise? Strange under-the-hood noises can point to problems within your Audi 90 engine. Knocking or tapping could be a symptom of low oil. A high-pitched whistle could signal an intake leak or misaligned belt. Squealing may be caused by a loose fan belt, and grinding might be coming from the brakes, not the engine.
What could damage a Audi engine? [ordered-list-1-item-3-1]Are you unknowingly damaging your Audi 90 engine? Certain driving habits can damage your engine and should be avoided. These habits include 'running on fumes,' revving your engine while the vehicle is in Park, or accelerating too quickly, too soon. Steer clear of these habits to help protect engine performance and efficiency.
Can I use water in my Audi 90 radiator? It’s not recommended you put water in your 90 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 can cause the engine in my 90 to suddenly stop? There are different reasons your 90 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 can repair my Audi 90 engine? Your local Firestone Complete Auto Care offers Audi 90 engine repair. Schedule an appointment today at one of our thousands of locations nationwide!