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

It's okay if your check engine light comes on when you first start your vehicle. This is just your Legacy testing its circuits. The light should go off shortly. Bring your vehicle in if it doesn't.

Why does my Subaru engine sound different?

Unusual noises can signal a problem with your Subaru Legacy engine. Tapping or knocking could mean you need an oil change. Whistling sounds could mean you have an intake leak or misaligned belt. Squealing can be traced back to a loose fan belt, and grinding might be a sign of brake problems rather than engine issues.

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

Certain driving habits can hurt your engine. These habits include driving on an empty fuel tank, revving the engine while still in Park, or slamming the gas pedal while the engine is still cold. Steer clear of these habits to help protect engine performance and efficiency.

Is it okay to put water in my Subaru Legacy 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 Legacy when you’re out of coolant, having water in the coolant reservoir is better than nothing.

What can cause a Legacy engine to suddenly stop?

If your Legacy 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 Legacy repair?

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

2003 Subaru Legacy Engine Repair

Learn about

2003 Subaru Legacy Trim Options

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

H4/2.5L

Repairs for Your 2003 Subaru Legacy

Nothing stays the same forever. Even your Subaru Legacy’s engine parts and components will change. When something breaks or fails, we’re ready to help. Select a service or repair below to learn more about what we can do for your 2003 Subaru Legacy.

We Know Subaru Legacy Engines

Subaru Legacy engines are known for their reliability. You may have even been thinking about that when you bought it. However, even your trustworthy engine is subject to wear and tear. Things can go wrong on the road. If the unexpected strikes, you may search the internet frantically for quick and affordable 2003 Subaru Legacy engine repairs. That's when it's time to head to Firestone Complete Auto Care. We've serviced more than 500 million vehicles since 1926, and our technicians know Subaru Legacy engines. Schedule a courtesy inspection at the first sign of engine trouble. After all, Firestone Complete Auto Care is one of the most popular picks for professional engine repairs thanks to its service and affordability.

Check Engine Light on 2003 Subaru Legacy

As soon as your Legacy 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 car’s ignition, Causes may include a faulty oxygen sensor, damaged spark plug, a clogged catalytic converter, or an engine vacuum leak, to name a few possible causes. Bring your Legacy in for an on-board diagnostic check and our expert techs will get the root of the problem. rattling sounds, burning smells, or engine misfiring.

2003 Legacy Engine Services

If your 2003 Legacy 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 isn’t urgent right now, we’ll let you know. But if immediate repairs are necessary for your safety, we’ll make sure that's clear, too. We want to give you all the details you need to make an informed decision about your engine repairs. Choose Firestone Complete Auto Care for Subaru Legacy engine repairs and you can feel confident knowing that we use Subaru-approved parts and components like the timing chain or belt, valve guide seal, sensors, or another part.

Engine Q&A 2003 Subaru Legacy

Why does the check engine light in my Legacy turn on when I start my car? It's okay if your check engine light comes on when you first start your vehicle. This is just your Legacy testing its circuits. The light should go off shortly. Bring your vehicle in if it doesn't.
Why does my Subaru engine sound different? Unusual noises can signal a problem with your Subaru Legacy engine. Tapping or knocking could mean you need an oil change. Whistling sounds could mean you have an intake leak or misaligned belt. Squealing can be traced back to a loose fan belt, and grinding might be a sign of brake problems rather than engine issues.
What could damage a Subaru engine? [ordered-list-1-item-3-1]Are you unknowingly damaging your Subaru Legacy engine? Certain driving habits can hurt your engine. These habits include driving on an empty fuel tank, revving the engine while still in Park, or slamming the gas pedal while the engine is still cold. Steer clear of these habits to help protect engine performance and efficiency.
Is it okay to put water in my Subaru Legacy 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 Legacy when you’re out of coolant, having water in the coolant reservoir is better than nothing.
What can cause a Legacy engine to suddenly stop? If your Legacy 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 Legacy repair? Your local Firestone Complete Auto Care fixes Subaru Legacy engines. Book an appointment today! We have thousands of locations across the country.