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

Generally, your check engine light turning on upon ignition is not a bad thing. 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 Buick engine sound different?

Strange under-the-hood noises can point to problems within your Buick Century engine. Tapping or knocking could mean you're low on 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 a Buick engine? [ordered-list-1-item-3-1]Are you unknowingly damaging your Buick Century engine?

Some driving habits are not so great for your engine. These include driving on a near-empty gas tank, revving the engine while still in Park, or slamming the gas pedal while the engine is still cold. Help sustain your engine’s performance and efficiency by staying miles away from these bad driving practices.

Can I put water in my Buick Century radiator?

It’s not recommended you put water in your Century 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.

What can cause the engine in my Century to suddenly stop?

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

Who fixes Buick Century engines?

For Buick Century 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 2004 Buick Century

Learn about

2004 Buick Century Trim Options

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

V6/3.1L

Buick Century Repairs and Services

Nothing stays the same forever. Even your Buick Century's many parts and pieces. 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 2004 Buick Century.

We Care for Buick Century Engines

Buick Century drivers trust that their Century will take them near and far. That might be why you bought it in the first place. Even so, pieces and parts can break down over time. Things can go sideways sometimes. If they do, you’ll have to find a dependable 2004 Buick service center — quick! Luckily, you won’t have to look far, since Firestone Complete Auto Care has 1,700+ locations across the country. We've serviced more than 500 million vehicles since 1926, and our technicians know Buick Century engines. 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 2004 Buick Century

As soon as your Century check engine light turns on, it’s time to get an expert’s opinion. A check engine light that’s on or flashing could be a symptom of a serious problem in your car’s starter, Causes may include a faulty oxygen sensor, bad spark plug, a clogged catalytic converter, or a leak in the engine vacuum, to name a few possible causes. Bring your Century to Firestone Complete Auto Care to get computerized diagnostics and our expert techs will get the root of the problem. rattling sounds, oil leaks, or engine misfiring.

2004 Century Engine Services

When your Buick Century engine needs repairs, our expert techs will let you know what needs to be done and why before they get started. We don't start working until we have your approval. 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. By choosing Firestone Complete Auto Care for Century engine repairs and you can feel confident knowing that we use Buick-approved parts and components like the timing chain or belt, engine oil seal, fuses, or other parts.

Questions About 2004 Buick Century Engines

Why does my Century’s check engine light come on when I start it? Generally, your check engine light turning on upon ignition is not a bad thing. 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 Buick engine sound different? Strange under-the-hood noises can point to problems within your Buick Century engine. Tapping or knocking could mean you're low on 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 a Buick engine? [ordered-list-1-item-3-1]Are you unknowingly damaging your Buick Century engine? Some driving habits are not so great for your engine. These include driving on a near-empty gas tank, revving the engine while still in Park, or slamming the gas pedal while the engine is still cold. Help sustain your engine’s performance and efficiency by staying miles away from these bad driving practices.
Can I put water in my Buick Century radiator? It’s not recommended you put water in your Century 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.
What can cause the engine in my Century to suddenly stop? Your Century car engine could stop suddenly due to low fuel, electrical issues, overheating, a faulty ignition system, mechanical troubles, or sensor problems.
Who fixes Buick Century engines? For Buick Century 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.