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

Generally, your check engine light turning on upon ignition is not a bad thing. This is just your LaCrosse testing its circuits. The light should go off shortly. Bring your vehicle in if it doesn't.

Are Buick LaCrosse engine noises bad?

Unusual noises can signal a problem with your Buick LaCrosse engine. Tapping or knocking could mean you're low on oil. Whistling could mean a belt is misaligned or there's an intake leak. 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 LaCrosse engine?

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

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 offers Buick LaCrosse engine repair. Schedule an appointment today at one of our thousands of locations nationwide!

Reliable Repairs for 2006 Buick LaCrosse Engines

Learn about

2006 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.

V6/3.6L

V6/3.8L

Repairs for Your 2006 Buick LaCrosse

Stuff wears out. Even your Buick LaCrosse’s engine parts and components will change. When something breaks, we're ready. Click on a repair below to learn more about 2006 Buick LaCrosse repairs.

We’re Trained to Care for Buick LaCrosse Engines

Buick LaCrosse engines are known for their reliability. You may have even been thinking about that when you bought it. However, even your trustworthy engine is subject to wear and tear. Things can go wrong on the road. If the unexpected strikes, you may search the internet frantically for quick and affordable 2006 Buick LaCrosse engine repairs. 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.

My 2006 Buick LaCrosse Check Engine Light Is On

An illuminated check engine light on your Buick LaCrosse is one of the first signs it's time to 'brake' for engine service. A check engine light that’s on or flashing could be a symptom of a serious problem in your vehicle's ignition, Causes may include a faulty oxygen sensor, bad spark plug, issues with your catalytic converter, or an engine vacuum leak, to name a few 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 it's time for Buick LaCrosse engine service might include essential fluid leaks, or misfiring.

Buick LaCrosse Engine Repair

When your Buick LaCrosse engine needs repairs, our technicians will make sure you understand what’s going on before they start working on your engine. We don't start working until we have your approval. If a repair can wait, we'll let you know. We'll also tell you if it's necessary for your safety. We seek to give you all the info you need to make a smart decision about our services. 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 chain or belt, engine oil seal, ignition coil, or other parts.

Questions About 2006 Buick LaCrosse Engines

Why does the check engine light in my LaCrosse turn on when I start my car? Generally, your check engine light turning on upon ignition is not a bad thing. This is just your LaCrosse testing its circuits. The light should go off shortly. Bring your vehicle in if it doesn't.
Are Buick LaCrosse engine noises bad? Unusual noises can signal a problem with your Buick LaCrosse engine. Tapping or knocking could mean you're low on oil. Whistling could mean a belt is misaligned or there's an intake leak. 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 LaCrosse engine? Certain driving habits can hurt your engine. These habits include driving on an empty fuel 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 put 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? 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 offers Buick LaCrosse engine repair. Schedule an appointment today at one of our thousands of locations nationwide!