Why does my Impreza’s check engine light come on when I start it?

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

Why does my Subaru engine sound different?

Strange under-the-hood noises can point to problems within your Subaru Impreza 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 could be a sign that something is wrong with your brakes — not the engine.

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

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

Can I put water in my Subaru Impreza radiator?

It’s not recommended you put water in your Impreza 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 Impreza engine suddenly stop?

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

Who repairs Subaru Impreza engines?

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

Engine Repairs for Your 2004 Subaru Impreza

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2004 Subaru Impreza Trim Options

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

H4/2.0L

H4/2.5L

2004 Subaru Impreza Repair

Nothing stays the same forever. Even your Subaru Impreza's many parts and pieces. When something breaks or fails, we’re ready to help. Select a repair or category to learn more about 2004 Subaru Impreza services.

We’re Trained to Care for Subaru Impreza Engines

Subaru Impreza engines are known for their reliability. You probably thought about that when you got it. However, the wear-proof engine has yet to be invented! Things can go wrong on the road. When they do, you might find yourself searching for 2004 Subaru Impreza engine repair or replacement parts. That’s where Firestone Complete Auto Care comes in. We've serviced more than 500 million vehicles since 1926, and our technicians know Subaru Impreza 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 2004 Subaru Impreza

If your Impreza check engine light is on, it’s time to get it looked at. A check engine light that’s flashing or steadily illuminated could point to problems with your or emission system, and it won’t go away by ignoring it. Possible causes can include a failing oxygen sensor, damaged spark plug, issues with your 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 Impreza issues diagnosed and we’ll figure out why that check engine light is giving you grief. engine pinging noises, oil leaks, or engine misfiring.

Engine Repairs for Your 2004 Impreza

When your Subaru Impreza engine needs repairs, our technicians will make sure you understand what’s going on before they start working on your engine. We make recommendations, but you make the final decision. 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 give you all the details you need to make an informed decision about your engine repairs. Turn to Firestone Complete Auto Care for your 2004 Impreza engine repairs and you can feel confident knowing that we use Subaru-approved parts and components like the cambelt, motor oil seal, ignition coil, or a different component.

Questions About 2004 Subaru Impreza Engines

Why does my Impreza’s check engine light come on when I start it? It's okay if your check engine light comes on when you first start your vehicle. This is a sign that your vehicle is testing its circuits. The light should go off shortly. Bring your vehicle in if it doesn't.
Why does my Subaru engine sound different? Strange under-the-hood noises can point to problems within your Subaru Impreza 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 could be a sign that something is wrong with your brakes — not the engine.
What could damage a Subaru engine? [ordered-list-1-item-3-1]Are you unknowingly damaging your Subaru Impreza engine? Certain driving habits can damage your engine and should be avoided. These habits include 'running on fumes,' revving the engine while still in Park, or accelerating too quickly, too soon. Steer clear of these habits to help protect engine performance and efficiency.
Can I put water in my Subaru Impreza radiator? It’s not recommended you put water in your Impreza 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 Impreza engine suddenly stop? Reasons your Impreza car engine may suddenly stop include engine overheating, electrical troubles, mechanical issues, ignition system problems, faulty sensors, and low fuel.
Who repairs Subaru Impreza engines? Your local Firestone Complete Auto Care has you covered with expert Impreza engine repair. Schedule an appointment today and see us at one of our thousands of locations.