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 go off shortly. Bring your vehicle in if it doesn't.

Why does my Buick engine sound different?

Strange under-the-hood noises can point to problems within 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 could be a sign that something is wrong with your brakes — not the engine.

What could damage my Buick LaCrosse engine?

Some driving habits are not so great for your engine. These include driving on a near-empty gas tank, revving the engine while still in Park, or accelerating too quickly, too soon. Protect your engine’s performance and efficiency by distancing yourself from these habits.

Can I add water to 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.

What can cause the engine in my LaCrosse to suddenly stop?

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

Who repairs 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!

2009 Buick LaCrosse Engine Repair

Learn about

2009 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.

V6/3.8L

V8/5.3L

Repairs for Your 2009 Buick LaCrosse

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 service or repair below to learn more about what we can do for your 2009 Buick LaCrosse.

We Know Buick LaCrosse Engines

Buick LaCrosse drivers trust that their LaCrosse will take them near and far. You may have even been thinking about that when you bought it. However, the wear-proof engine has yet to be invented! Sometimes plans go sideways. If the unexpected strikes, you may search the internet frantically for quick and affordable 2009 Buick LaCrosse engine repairs. That’s where Firestone Complete Auto Care comes in. 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.

Illuminated Check Engine Light on 2009 Buick LaCrosse

As soon as your LaCrosse check engine light turns on, it’s time to get an expert’s opinion. A check engine light that’s on or flashing could be a symptom of a serious problem in your fuel injection, Causes may include a faulty oxygen sensor, damaged spark plug, issues with your catalytic converter, or a leak in the 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 determine exactly why your check engine light is on. engine pinging noises, essential fluid leaks, or engine misfiring.

2009 LaCrosse Engine Services

If your 2009 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 isn’t urgent right now, we’ll let you know. If it's necessary for your safety, we'll make sure you understand that, too. 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 feel confident knowing that we use Buick-approved parts and components like the serpentine belt, valve guide seal, sensors, or other parts.

2009 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 go off shortly. Bring your vehicle in if it doesn't.
Why does my Buick engine sound different? Strange under-the-hood noises can point to problems within 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 could be a sign that something is wrong with your brakes — not the engine.
What could damage my Buick LaCrosse engine? Some driving habits are not so great for your engine. These include driving on a near-empty gas tank, revving the engine while still in Park, or accelerating too quickly, too soon. Protect your engine’s performance and efficiency by distancing yourself from these habits.
Can I add water to 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.
What can cause the engine in my LaCrosse to suddenly stop? Reasons your LaCrosse car engine may suddenly stop include engine overheating, electrical troubles, mechanical issues, ignition system problems, faulty sensors, and low fuel.
Who repairs 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!