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

It’s usually normal for your check engine light to turn on upon ignition. This is a sign that your vehicle is testing its circuits. The light should turn off in a bit, but come see us if it doesn't.

Why is my Subaru WRX STI making engine noise?

Strange engine sounds can be a sign something’s off in your Subaru WRX STI. Tapping or knocking could mean you need an oil change. Whistling could mean a belt is misaligned or there's an intake leak. Squealing can indicate a loose fan belt, and grinding might be a sign of brake problems rather than engine issues.

What could damage my Subaru WRX STI engine?

Some driving habits are not so great for your engine. These include driving on a near-empty gas tank, revving the engine while still in Park, or slamming the gas pedal while the engine is still cold. Help sustain your engine’s performance and efficiency by staying miles away from these bad driving practices.

Can I use water in my Subaru WRX STI radiator?

An emergency is the only time you should consider putting water in your radiator. Outside of that, it’s recommended you use a pre-mixed coolant or a 50/50 blend of water and coolant. However, if you need to continue driving your WRX STI when you’re out of coolant, having water in the coolant reservoir is better than nothing.

What can cause a WRX STI engine to suddenly stop?

If your WRX STI car engine suddenly stops, it could be due to overheating, low fuel, a faulty ignition system, sensor problems, electrical system trouble, or mechanical issues.

Who can repair my Subaru WRX STI engine?

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

Reliable Repairs for 2018 Subaru WRX STI Engines

Learn about

2018 Subaru WRX STI Trim Options

Select your Subaru WRX STI trim level to learn more about Subaru-recommended engine repair. Use the following chart to find information.

H4/2.5L

Repairs for Your 2018 Subaru WRX STI

Stuff wears out. Even your Subaru WRX STI's many parts and pieces. We’re here to help when something stops working. Select a repair or category to learn more about 2018 Subaru WRX STI services.

We’re Trained to Care for Subaru WRX STI Engines

Subaru WRX STI drivers trust that their WRX STI will take them near and far. You probably thought about that when you got it. However, even your trustworthy engine is subject to wear and tear. Things can go wrong on the road. When they do, you might find yourself searching for 2018 Subaru WRX STI 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 more than 500 million vehicles since 1926, and our technicians know Subaru WRX STI engines. If you think something’s wrong with your engine, schedule an appointment at your convenience. Firestone Complete Auto Care is a top choice for professional engine diagnosis, service, and repair at an affordable price.

Check Engine Light on 2018 Subaru WRX STI

An illuminated check engine light on your Subaru WRX STI is one of the first signs it's time to 'brake' for engine service. A check engine light that’s on or flashing could be a symptom of a serious problem in your combustion, Potential causes may include a faulty oxygen sensor, worn spark plug, a clogged catalytic converter, or an engine vacuum leak, but that's only a few of the possible causes. Stop by your local Firestone Complete Auto Care to get your WRX STI issues diagnosed and we'll determine exactly why your check engine light is on. Other signs your Subaru WRX STI engine needs some TLC are burning smells, or engine misfiring.

Subaru WRX STI Engine Repair

If your 2018 WRX STI engine needs repairs, our expert techs will let you know what needs to be done and why before they get started. We make recommendations, but you make the final decision. If a service can wait, we’ll make sure 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 Subaru WRX STI engine repairs and you can drive easy knowing that we use Subaru-approved parts and fluids — timing belt, motor oil seal, fuses, or other parts.

Engine Q&A 2018 Subaru WRX STI

Why does the check engine light come on when I start my WRX STI? It’s usually normal for your check engine light to turn on upon ignition. This is a sign that your vehicle is testing its circuits. The light should turn off in a bit, but come see us if it doesn't.
Why is my Subaru WRX STI making engine noise? Strange engine sounds can be a sign something’s off in your Subaru WRX STI. Tapping or knocking could mean you need an oil change. Whistling could mean a belt is misaligned or there's an intake leak. Squealing can indicate a loose fan belt, and grinding might be a sign of brake problems rather than engine issues.
What could damage my Subaru WRX STI engine? Some driving habits are not so great for your engine. These include driving on a near-empty gas tank, revving the engine while still in Park, or slamming the gas pedal while the engine is still cold. Help sustain your engine’s performance and efficiency by staying miles away from these bad driving practices.
Can I use water in my Subaru WRX STI radiator? An emergency is the only time you should consider putting water in your radiator. Outside of that, it’s recommended you use a pre-mixed coolant or a 50/50 blend of water and coolant. However, if you need to continue driving your WRX STI when you’re out of coolant, having water in the coolant reservoir is better than nothing.
What can cause a WRX STI engine to suddenly stop? If your WRX STI car engine suddenly stops, it could be due to overheating, low fuel, a faulty ignition system, sensor problems, electrical system trouble, or mechanical issues.
Who can repair my Subaru WRX STI engine? Your local Firestone Complete Auto Care has you covered with expert WRX STI engine repair. Schedule an appointment today and see us at one of our thousands of locations.