Why does the check engine light in my Seville 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 Seville testing its circuits. The light should turn off in a bit, but come see us if it doesn't.

Why does my Cadillac engine sound different?

Unusual noises can signal a problem with your Cadillac Seville engine. Tapping or knocking could mean you need an oil change. Whistling sounds could mean you have an intake leak or misaligned belt. 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 my Cadillac Seville 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 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 Cadillac Seville 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 can cause a Seville engine to suddenly stop?

Your Seville car engine could stop suddenly due to low fuel, electrical issues, overheating, a faulty ignition system, mechanical troubles, or sensor problems.

Where can I go for Cadillac Seville repair?

For Cadillac Seville engine repair, trust your local Firestone Complete Auto Care. You can make an appointment today at any of our thousands of locations across the U.S.

Engine Repairs for Your 2003 Cadillac Seville

Learn about

2003 Cadillac Seville Trim Options

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

V8/4.6L

2003 Cadillac Seville Repair

Stuff wears out. Even your Cadillac Seville’s engine parts and components will change. 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 Cadillac Seville.

We Know Cadillac Seville Engines

The Cadillac Seville is respected for its reliability. That might be why you bought it in the first place. However, the wear-proof engine has yet to be invented! Sometimes plans go sideways. If the unexpected strikes, you may search the internet frantically for quick and affordable 2003 Cadillac Seville engine repairs. That’s where Firestone Complete Auto Care comes in. Since 1926, we’ve taken care of 500 million+ cars, so you can rest assured knowing your Cadillac Seville engine will be in good hands. Schedule an appointment if you're experiencing problems that could require engine repair. Firestone Complete Auto Care is a top choice for professional engine diagnosis, service, and repair at an affordable price.

Check Engine Light on 2003 Cadillac Seville

If your Seville 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 car’s ignition, Potential causes may include a faulty oxygen sensor, damaged spark plug, a problem with your catalytic converter, or a leaking engine vacuum, to name a few possible causes. Stop by your local Firestone Complete Auto Care to get your Seville issues diagnosed and our expert techs will get the root of the problem. Other signs your Cadillac Seville engine needs some TLC are oil leaks, or misfiring.

2003 Seville Engine Services

If your 2003 Cadillac Seville needs engine repair, 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. But if immediate repairs are necessary for your safety, we’ll make sure that's clear, too. We want to provide you with the information you need to make an informed engine repair decision. Choose Firestone Complete Auto Care for Cadillac Seville engine repairs and you can feel confident knowing that we use Cadillac-approved parts and components like the timing chain or belt, motor oil seal, ignition coil, or other parts.

Engine Q&A 2003 Cadillac Seville

Why does the check engine light in my Seville 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 Seville testing its circuits. The light should turn off in a bit, but come see us if it doesn't.
Why does my Cadillac engine sound different? Unusual noises can signal a problem with your Cadillac Seville engine. Tapping or knocking could mean you need an oil change. Whistling sounds could mean you have an intake leak or misaligned belt. 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 my Cadillac Seville 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 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 Cadillac Seville 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 can cause a Seville engine to suddenly stop? Your Seville car engine could stop suddenly due to low fuel, electrical issues, overheating, a faulty ignition system, mechanical troubles, or sensor problems.
Where can I go for Cadillac Seville repair? For Cadillac Seville engine repair, trust your local Firestone Complete Auto Care. You can make an appointment today at any of our thousands of locations across the U.S.