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

It's okay if your check engine light comes on when you first start your vehicle. This is just your LaCrosse testing its circuits. The light should turn off in a bit, but come see us if it doesn't.

Why is my Buick LaCrosse making engine noise?

Unusual noises can signal a problem with your Buick LaCrosse engine. Tapping or knocking could mean you need an oil change. Whistling sounds could mean you have an intake leak or misaligned belt. Squealing can be traced back to a loose fan belt, and grinding might be a sign of brake problems rather than engine issues.

What could damage my Buick LaCrosse engine?

Certain driving habits can hurt your engine. These habits include driving on an empty fuel 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 LaCrosse 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.

Why did my LaCrosse engine suddenly stop?

If your LaCrosse car engine suddenly stops, it could be due to overheating, low fuel, a faulty ignition system, sensor problems, electrical system trouble, or mechanical issues.

Who fixes Buick LaCrosse engines?

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

2019 Buick LaCrosse Engine Repair

Learn about

2019 Buick LaCrosse Trim Options

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

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

Nothing lasts forever. Even your Buick LaCrosse’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 2019 Buick LaCrosse repairs.

We Know Buick LaCrosse Engines

Buick LaCrosse drivers trust that their LaCrosse 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 wrong on the road. If they do, you’ll have to find a dependable 2019 Buick service center — quick! That’s where Firestone Complete Auto Care comes in. We've serviced more than 500 million vehicles since 1926, and our technicians know 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 2019 Buick LaCrosse

If your LaCrosse check engine light is on, it’s time to get it looked at. A steady or flashing check engine light could signal a serious issue with your fuel injection, Causes may include a faulty oxygen sensor, bad spark plug, a clogged catalytic converter, or a leaking engine vacuum, to name a few possible causes. Stop by your local Firestone Complete Auto Care to get your LaCrosse issues diagnosed and we’ll figure out why that check engine light is giving you grief. engine pinging noises, oil leaks, or a sinking feeling that something’s wrong.

Buick LaCrosse Engine Repair

If your 2019 LaCrosse engine needs repairs, 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. If it's necessary for your safety, we'll make sure you understand that, too. We want to give you all the details you need to make an informed decision about your engine repairs. Turn to Firestone Complete Auto Care for your 2019 LaCrosse engine repairs and you can feel good knowing that we only use Buick-compliant replacement parts such as the serpentine belt, oil gasket, sensors, or other parts.

2019 Buick LaCrosse Engine Q&A

Why does the check engine light come on when I start my LaCrosse? It's okay if your check engine light comes on when you first start your vehicle. This is just your LaCrosse testing its circuits. The light should turn off in a bit, but come see us if it doesn't.
Why is my Buick LaCrosse making engine noise? Unusual noises can signal a problem with your Buick LaCrosse engine. Tapping or knocking could mean you need an oil change. Whistling sounds could mean you have an intake leak or misaligned belt. Squealing can be traced back to a loose fan belt, and grinding might be a sign of brake problems rather than engine issues.
What could damage my Buick LaCrosse engine? Certain driving habits can hurt your engine. These habits include driving on an empty fuel 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 LaCrosse 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.
Why did my LaCrosse engine suddenly stop? If your LaCrosse car engine suddenly stops, it could be due to overheating, low fuel, a faulty ignition system, sensor problems, electrical system trouble, or mechanical issues.
Who fixes Buick LaCrosse engines? Your local Firestone Complete Auto Care fixes Buick LaCrosse engines. Book an appointment today! We have thousands of locations across the country.