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

It’s usually normal for your check engine light to turn on upon ignition. This is just your WRX STI testing 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 Subaru engine sound different?

Strange under-the-hood noises can point to problems within your Subaru WRX STI engine. Tapping or knocking could mean you're low on oil. Whistling could mean a belt is misaligned or there's an intake leak. Squealing can indicate a loose fan belt, and grinding might be coming from the brakes, not the engine.

What could damage my Subaru WRX STI engine?

Certain driving habits can damage your engine and should be avoided. These habits include 'running on fumes,' flooring the gas pedal while the car is in Park, or slamming the gas pedal while the engine is still cold. Protect your engine’s performance and efficiency by distancing yourself from these habits.

Can I put water in my Subaru WRX STI radiator?

It’s not recommended you put water in your WRX STI 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.

Why did my WRX STI engine 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.

Where can I go for Subaru WRX STI repair?

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

2020 Subaru WRX STI Engine Repair

Learn about

2020 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

2020 Subaru WRX STI Repair

Stuff wears out. Even your Subaru WRX STI's many parts and pieces. We’re here to help when something stops working. Select a service or repair below to learn more about what we can do for your 2020 Subaru WRX STI.

We Care for Subaru WRX STI Engines

Subaru WRX STI engines are known for their reliability. That might be why you bought it in the first place. Even so, pieces and parts can break down over time. Things can go sideways sometimes. If the unexpected strikes, you may search the internet frantically for quick and affordable 2020 Subaru WRX STI engine repairs. That's when it's time to head to Firestone Complete Auto Care. We've serviced millions of vehicles since 1926, and our professional technicians are trained to service Subaru WRX STI engines. Schedule an appointment if you're experiencing problems that could require engine repair. Firestone Complete Auto Care offers both trustworthy and affordable engine repairs.

My 2020 Subaru WRX STI Check Engine Light Is On

As soon as your WRX STI check engine light turns on, it’s time to get an expert’s opinion. A check engine light that’s flashing or steadily illuminated could point to problems with your fuel, Causes may include a faulty oxygen sensor, bad spark plug, issues with your catalytic converter, or a leaking engine vacuum, to name a few possible causes. Bring your WRX STI in for an on-board diagnostic check and we'll determine exactly why your check engine light is on. engine pinging noises, essential fluid leaks, or engine misfiring.

2020 WRX STI Engine Services

If your 2020 WRX STI engine needs repairs, our technicians will provide you with a thorough explanation beforehand. 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 want to give you all the details you need to make an informed decision about your engine repairs. By choosing Firestone Complete Auto Care for WRX STI engine repairs and you can feel confident knowing that we use Subaru-approved parts and components like the timing belt, motor oil seal, sensors, or a different component.

2020 Subaru WRX STI Engine Q&A

Why does the check engine light in my WRX STI turn on when I start my car? It’s usually normal for your check engine light to turn on upon ignition. This is just your WRX STI testing 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 Subaru engine sound different? Strange under-the-hood noises can point to problems within your Subaru WRX STI engine. Tapping or knocking could mean you're low on oil. Whistling could mean a belt is misaligned or there's an intake leak. Squealing can indicate a loose fan belt, and grinding might be coming from the brakes, not the engine.
What could damage my Subaru WRX STI engine? Certain driving habits can damage your engine and should be avoided. These habits include 'running on fumes,' flooring the gas pedal while the car is in Park, or slamming the gas pedal while the engine is still cold. Protect your engine’s performance and efficiency by distancing yourself from these habits.
Can I put water in my Subaru WRX STI radiator? It’s not recommended you put water in your WRX STI 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.
Why did my WRX STI engine 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.
Where can I go for Subaru WRX STI repair? Your local Firestone Complete Auto Care fixes Subaru WRX STI engines. Book an appointment today! We have thousands of locations across the country.