Why does the check engine light in my LaCrosse turn on when I start my car?

It’s usually normal for your check engine light to turn on upon ignition. It’s just your LaCrosse firing up its circuits. The dash light shouldn't stay on. If it does, you might want to bring your vehicle in for service.

Why is my Buick LaCrosse making engine noise?

Strange engine sounds can be a sign something’s off in your Buick LaCrosse. Tapping or knocking could mean you're low on oil. A high-pitched whistle could signal an intake leak or misaligned belt. Squealing can indicate a loose fan belt, and grinding might be a sign of brake problems rather than engine issues.

What could damage a Buick engine? [ordered-list-1-item-3-1]Are you unknowingly damaging your Buick LaCrosse 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 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 add water to my Buick LaCrosse radiator?

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

Your LaCrosse 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 Buick LaCrosse repair?

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

Reliable Repairs for 2018 Buick LaCrosse Engines

Learn about

2018 Buick LaCrosse Trim Options

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

L4/2.5L

V6/3.6L

L4/2.5L

V6/3.6L

L4/2.5L

V6/3.6L

L4/2.5L

V6/3.6L

Buick LaCrosse Repairs and Services

Stuff wears out. Even your Buick LaCrosse’s engine parts and components will change. When something breaks or fails, we’re ready to help. Select a repair or category to learn more about 2018 Buick LaCrosse services.

We Care for Buick LaCrosse Engines

Buick LaCrosse engines are known for their reliability. That might be why you bought it in the first place. Even so, pieces and parts can break down over time. Things can go wrong on the road. When they do, you might find yourself searching for 2018 Buick LaCrosse 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 Buick LaCrosse engines. If you think something’s wrong with your engine, schedule an appointment at your convenience. Firestone Complete Auto Care is a top choice for professional engine diagnosis, service, and repair at an affordable price.

Check Engine Light on 2018 Buick LaCrosse

An illuminated check engine light on your Buick LaCrosse is one of the first signs it's time to 'brake' for engine service. A steady or flashing check engine light could signal a serious issue with your fuel injection, Causes may include a faulty oxygen sensor, worn spark plug, a clogged catalytic converter, or a leak in the engine vacuum, to name a few possible causes. Bring your LaCrosse in for an on-board diagnostic check and we'll determine exactly why your check engine light is on. Other signs your Buick LaCrosse engine needs some TLC are essential fluid leaks, or a sinking feeling that something’s wrong.

Buick LaCrosse Engine Repair

When your Buick LaCrosse engine needs repairs, our expert techs will let you know what needs to be done and why before they get started. We make recommendations, but you make the final decision. If a repair can wait, we'll let you know. We'll also tell you if it's necessary for your safety. 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 LaCrosse engine repairs and you can drive easy knowing that we use Buick-approved parts and fluids — timing belt, valve guide seal, fuses, or other parts.

2018 Buick LaCrosse Engine Q&A

Why does the check engine light in my LaCrosse turn on when I start my car? It’s usually normal for your check engine light to turn on upon ignition. It’s just your LaCrosse firing up its circuits. The dash light shouldn't stay on. If it does, you might want to bring your vehicle in for service.
Why is my Buick LaCrosse making engine noise? Strange engine sounds can be a sign something’s off in your Buick LaCrosse. Tapping or knocking could mean you're low on oil. A high-pitched whistle could signal an intake leak or misaligned belt. Squealing can indicate a loose fan belt, and grinding might be a sign of brake problems rather than engine issues.
What could damage a Buick engine? [ordered-list-1-item-3-1]Are you unknowingly damaging your Buick LaCrosse 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 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 add water to my Buick LaCrosse radiator? It’s not recommended you put water in your LaCrosse 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 LaCrosse engine suddenly stop? Your LaCrosse 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 Buick LaCrosse repair? Your local Firestone Complete Auto Care offers Buick LaCrosse engine repair. Schedule an appointment today at one of our thousands of locations nationwide!