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. Knocking or tapping could be a symptom of low oil. Whistling sounds could mean you have an intake leak or misaligned belt. Squealing may be caused by a loose fan belt, and grinding might be coming from the brakes, not the engine.

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 pushing 'the pedal to the metal' before the engine has warmed up. Steer clear of these habits to help protect engine performance and efficiency.

Can I use water in my Buick LaCrosse radiator?

While it’s not recommended, you can use water in your LaCrosse 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.

What can cause a LaCrosse engine to suddenly stop?

There are different reasons your LaCrosse vehicle engine could suddenly stop. You may be looking at a lack of fuel, faulty sensors, issues with the ignition system, engine overheating, electrical problems, or mechanical troubles.

Who can repair my Buick LaCrosse engine?

Your local Firestone Complete Auto Care has you covered with expert LaCrosse engine repair. Schedule an appointment today and see us at one of our thousands of locations.

Reliable Repairs for 2012 Buick LaCrosse Engines

Learn about

2012 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.

L4/2.4L

V6/3.6L

L4/2.4L

V6/3.6L

L4/2.4L

V6/3.6L

L4/2.4L

V6/3.6L

L4/2.4L

V6/3.6L

L4/2.4L

V6/3.6L

Repairs for Your 2012 Buick LaCrosse

Nothing lasts forever. Even your Buick LaCrosse’s engine parts and components will change. We’re here to help when something stops working. Click on a repair below to learn more about 2012 Buick LaCrosse repairs.

We Know Buick LaCrosse Engines

Buick LaCrosse drivers trust that their LaCrosse will take them near and far. You probably thought about that when you got it. Even so, pieces and parts can break down over time. Things can go sideways sometimes. When they do, you might find yourself searching for 2012 Buick LaCrosse engine repair or replacement parts. 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 LaCrosse engines. Schedule an appointment if you're experiencing problems that could require engine repair. Firestone Complete Auto Care offers both trustworthy and affordable engine repairs.

Check Engine Light on 2012 Buick LaCrosse

If your LaCrosse 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 or emission control system that won’t go away on its own. Potential causes may include a faulty oxygen sensor, damaged spark plug, issues with your catalytic converter, or a leaking engine vacuum, but that's only a few of the possible causes. Bring your LaCrosse to Firestone Complete Auto Care to get computerized diagnostics and we’ll figure out why that check engine light is giving you grief. Other signs your Buick LaCrosse engine needs some TLC are burning smells, or a sinking feeling that something’s wrong.

Buick LaCrosse Engine Repair

If your 2012 LaCrosse engine needs repairs, our technicians will make sure you understand what’s going on before they start working on your engine. We never do any work without your sign-off. 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. Turn to Firestone Complete Auto Care for your 2012 LaCrosse engine repairs and you can feel good knowing that we only use Buick-compliant replacement parts such as the cambelt, engine oil seal, sensors, or a different component.

Engine Q&A 2012 Buick LaCrosse

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. Knocking or tapping could be a symptom of low oil. Whistling sounds could mean you have an intake leak or misaligned belt. Squealing may be caused by a loose fan belt, and grinding might be coming from the brakes, not the engine.
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 pushing 'the pedal to the metal' before the engine has warmed up. Steer clear of these habits to help protect engine performance and efficiency.
Can I use water in my Buick LaCrosse radiator? While it’s not recommended, you can use water in your LaCrosse 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.
What can cause a LaCrosse engine to suddenly stop? There are different reasons your LaCrosse vehicle engine could suddenly stop. You may be looking at a lack of fuel, faulty sensors, issues with the ignition system, engine overheating, electrical problems, or mechanical troubles.
Who can repair my Buick LaCrosse engine? Your local Firestone Complete Auto Care has you covered with expert LaCrosse engine repair. Schedule an appointment today and see us at one of our thousands of locations.