Why does my Impala’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 turn off in a bit, but come see us if it doesn't.

Are Chevrolet Impala engine noises bad?

Unusual noises can signal a problem with your Chevrolet Impala 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 may be caused by a loose fan belt, and grinding could be a sign that something is wrong with your brakes — not the engine.

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

Certain driving habits can damage your engine and should be avoided. These habits include 'running on fumes,' revving your engine while the vehicle is 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 Chevrolet Impala radiator?

Only in emergencies. A 50/50 mix of coolant and water (or a pre-mixed) coolant is recommended. However, if you must keep driving when you're out of coolant, it's better to drive with water in your coolant reservoir than nothing.

What could cause my Impala engine to suddenly stop?

If your Impala 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 Chevrolet Impala repair?

Your local Firestone Complete Auto Care offers Chevrolet Impala engine repair. Schedule an appointment today at one of our thousands of locations nationwide!

2003 Chevrolet Impala Engine Repair

Learn about

2003 Chevrolet Impala Trim Options

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

V6/3.4L

V6/3.8L

Chevrolet Impala Repairs and Services

Nothing lasts forever. Even your Chevrolet Impala'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 2003 Chevrolet Impala.

We Know Chevrolet Impala Engines

Chevrolet Impala engines are known for their reliability. You may have even been thinking about that when you bought 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 2003 Chevrolet Impala engine repair or replacement parts. 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 Chevrolet Impala 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 Chevrolet Impala

An illuminated check engine light on your Chevrolet Impala 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 car’s starter, Possible causes can include a failing oxygen sensor, worn spark plug, issues with your catalytic converter, or a leaking engine vacuum, to name a few possible causes. Bring your Impala in for an on-board diagnostic check and our expert techs will get the root of the problem. Other signs your Chevrolet Impala engine needs some TLC are burning smells, or misfiring.

2003 Impala Engine Services

If your 2003 Chevrolet Impala needs engine repair, our technicians will provide you with a thorough explanation beforehand. We don't start working until we have your approval. If a repair isn’t urgent right now, we’ll let you know. We'll also tell you if it's necessary for your safety. We want to provide you with the information you need to make an informed engine repair decision. By choosing Firestone Complete Auto Care for Impala engine repairs and you can feel good knowing that we only use Chevrolet-compliant replacement parts such as the timing belt, motor oil seal, fuses, or a different component.

2003 Chevrolet Impala Engine Q&A

Why does my Impala’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 turn off in a bit, but come see us if it doesn't.
Are Chevrolet Impala engine noises bad? Unusual noises can signal a problem with your Chevrolet Impala 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 may be caused by a loose fan belt, and grinding could be a sign that something is wrong with your brakes — not the engine.
What could damage a Chevrolet engine? [ordered-list-1-item-3-1]Are you unknowingly damaging your Chevrolet Impala engine? Certain driving habits can damage your engine and should be avoided. These habits include 'running on fumes,' revving your engine while the vehicle is 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 Chevrolet Impala radiator? Only in emergencies. A 50/50 mix of coolant and water (or a pre-mixed) coolant is recommended. However, if you must keep driving when you're out of coolant, it's better to drive with water in your coolant reservoir than nothing.
What could cause my Impala engine to suddenly stop? If your Impala 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 Chevrolet Impala repair? Your local Firestone Complete Auto Care offers Chevrolet Impala engine repair. Schedule an appointment today at one of our thousands of locations nationwide!