Why does the check engine light come on when I start my Regal?

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 Buick engine sound different?

Strange engine sounds can be a sign something’s off in your Buick Regal. Tapping or knocking could mean you're low on oil. A high-pitched whistle could signal an intake leak or misaligned belt. Squealing can be traced back to a loose fan belt, and grinding might be coming from the brakes, not the engine.

What could damage my Buick Regal engine?

Some driving habits are not so great for your engine. These include driving on a near-empty gas tank, revving your engine while the vehicle is in Park, or pushing 'the pedal to the metal' before the engine has warmed up. Steer clear of these habits to help protect engine performance and efficiency.

Is it okay to put water in my Buick Regal radiator?

While it’s not recommended, you can use water in your Regal radiator in emergencies. Normally, you should only use a 50/50 mix of coolant and water or a pre-mixed coolant. However, if you are completely out of coolant and must continue driving, it’s better to have water in your coolant reservoir than nothing.

Why did my Regal engine suddenly stop?

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

Where can I go for Buick Regal repair?

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

Reliable Repairs for 2004 Buick Regal Engines

Learn about

2004 Buick Regal Trim Options

Select your Buick Regal trim level to learn more about Buick-recommended engine repair. Even Buick Regal parts will get older and change.

V6/3.8L

Repairs for Your 2004 Buick Regal

Stuff wears out. Even your Buick Regal’s engine parts and components will change. When something breaks or fails, we’re ready to help. Click on a repair below to learn more about 2004 Buick Regal repairs.

We Care for Buick Regal Engines

Buick Regal engines are known for their reliability. You probably thought about that when you got it. Even so, pieces and parts can break down over time. Things can go wrong on the road. 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 millions of vehicles since 1926, and our professional technicians are trained to service Buick Regal 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.

Illuminated Check Engine Light on 2004 Buick Regal

As soon as your Regal check engine light turns on, it’s time to get an expert’s opinion. A steady or flashing check engine light could signal a serious issue with your car’s starter, Causes may include a faulty oxygen sensor, damaged spark plug, a problem with your catalytic converter, or a leak in the engine vacuum, to name a few potential sources. Bring your Regal in for an on-board diagnostic check and our expert techs will get the root of the problem. Other signs your Buick Regal engine needs some TLC are oil leaks, or a sinking feeling that something’s wrong.

Engine Repairs for Your 2004 Regal

If your 2004 Buick Regal needs engine repair, our technicians will provide you with a thorough explanation beforehand. 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 give you all the details you need to make an informed decision about your engine repairs. Choose Firestone Complete Auto Care for Buick Regal engine repairs and you can drive easy knowing that we use Buick-approved parts and fluids — timing chain or belt, oil gasket, fuses, or other parts.

Engine Q&A 2004 Buick Regal

Why does the check engine light come on when I start my Regal? 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 Buick engine sound different? Strange engine sounds can be a sign something’s off in your Buick Regal. Tapping or knocking could mean you're low on oil. A high-pitched whistle could signal an intake leak or misaligned belt. Squealing can be traced back to a loose fan belt, and grinding might be coming from the brakes, not the engine.
What could damage my Buick Regal engine? Some driving habits are not so great for your engine. These include driving on a near-empty gas tank, revving your engine while the vehicle is in Park, or pushing 'the pedal to the metal' before the engine has warmed up. Steer clear of these habits to help protect engine performance and efficiency.
Is it okay to put water in my Buick Regal radiator? While it’s not recommended, you can use water in your Regal radiator in emergencies. Normally, you should only use a 50/50 mix of coolant and water or a pre-mixed coolant. However, if you are completely out of coolant and must continue driving, it’s better to have water in your coolant reservoir than nothing.
Why did my Regal engine suddenly stop? Reasons your Regal car engine may suddenly stop include engine overheating, electrical troubles, mechanical issues, ignition system problems, faulty sensors, and low fuel.
Where can I go for Buick Regal repair? Your local Firestone Complete Auto Care fixes Buick Regal engines. Book an appointment today! We have thousands of locations across the country.