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

Are Subaru WRX STI engine noises bad?

Strange under-the-hood noises can point to problems within your Subaru WRX STI engine. Knocking or tapping could be a symptom of low oil. Whistling sounds could mean you have an intake leak or misaligned belt. Squealing can be traced back to a loose fan belt, and grinding could be a sign that something is wrong with your brakes — not the engine.

What could damage my Subaru WRX STI engine?

Certain driving habits can hurt your engine. These habits include driving on an empty fuel tank, flooring the gas pedal while the car 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 Subaru WRX STI radiator?

While it’s not recommended, you can use water in your WRX STI 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 could cause my WRX STI engine to suddenly stop?

Reasons your WRX STI car engine may suddenly stop include engine overheating, electrical troubles, mechanical issues, ignition system problems, faulty sensors, and low fuel.

Where can I go for Subaru WRX STI repair?

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.

Engine Repairs for Your 2019 Subaru WRX STI

Learn about

2019 Subaru WRX STI Trim Options

Select your Subaru WRX STI trim level to learn more about Subaru-recommended engine repair. Even Subaru WRX STI parts will get older and change.

H4/2.5L

2019 Subaru WRX STI Repair

Nothing stays the same forever. Even your Subaru WRX STI’s engine parts and components will change. When something breaks, we're ready. Select a repair or category to learn more about 2019 Subaru WRX STI services.

We Know Subaru WRX STI Engines

Subaru WRX STI drivers trust that their WRX STI 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 sideways sometimes. If the unexpected strikes, you may search the internet frantically for quick and affordable 2019 Subaru WRX STI engine repairs. That's when it's time to head to Firestone Complete Auto Care. Since 1926, we’ve taken care of 500 million+ cars, so you can rest assured knowing your Subaru WRX STI engine will be in good hands. Schedule a courtesy inspection at the first sign of engine trouble. Firestone Complete Auto Care is a top choice for professional engine diagnosis, service, and repair at an affordable price.

Check Engine Light on 2019 Subaru WRX STI

If your WRX STI check engine light is on, it’s time to get it looked at. A steady or flashing check engine light could signal a serious issue with your or emission control system that won’t go away on its own. Possible causes can include a failing oxygen sensor, bad spark plug, a clogged catalytic converter, or a leaking engine vacuum, 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 figure out why that check engine light is giving you grief. Other signs your Subaru WRX STI engine needs some TLC are essential fluid leaks, or engine misfiring.

Engine Repairs for Your 2019 WRX STI

When your Subaru WRX STI 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 service can wait, we’ll make sure 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. Turn to Firestone Complete Auto Care for your 2019 WRX STI engine repairs and you can feel confident knowing that we use Subaru-approved parts and components like the serpentine belt, engine oil seal, sensors, or other parts.

Questions About 2019 Subaru WRX STI Engines

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. It’s just your WRX STI firing up its circuits. The dash light shouldn't stay on. If it does, you might want to bring your vehicle in for service.
Are Subaru WRX STI engine noises bad? Strange under-the-hood noises can point to problems within your Subaru WRX STI engine. Knocking or tapping could be a symptom of low oil. Whistling sounds could mean you have an intake leak or misaligned belt. Squealing can be traced back to a loose fan belt, and grinding could be a sign that something is wrong with your brakes — not the engine.
What could damage my Subaru WRX STI engine? Certain driving habits can hurt your engine. These habits include driving on an empty fuel tank, flooring the gas pedal while the car 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 Subaru WRX STI radiator? While it’s not recommended, you can use water in your WRX STI 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 could cause my WRX STI engine to suddenly stop? Reasons your WRX STI car engine may suddenly stop include engine overheating, electrical troubles, mechanical issues, ignition system problems, faulty sensors, and low fuel.
Where can I go for Subaru WRX STI repair? 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.