Why does my Encore GX’s check engine light come on when I start it?

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

Are Buick Encore GX engine noises bad?

Strange under-the-hood noises can point to problems within your Buick Encore GX engine. Knocking or tapping could be a symptom of low oil. Whistling could mean a belt is misaligned or there's an intake leak. 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 Encore GX 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. Help sustain your engine’s performance and efficiency by staying miles away from these bad driving practices.

Can I use water in my Buick Encore GX radiator?

It’s not recommended you put water in your Encore GX 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.

What could cause my Encore GX engine to suddenly stop?

There are different reasons your Encore GX 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 fixes Buick Encore GX engines?

For Buick Encore GX engine repair, trust your local Firestone Complete Auto Care. You can make an appointment today at any of our thousands of locations across the U.S.

Reliable Repairs for 2025 Buick Encore GX Engines

Learn about

2025 Buick Encore GX Trim Options

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

Buick Encore GX Repairs and Services

Stuff wears out. Even your Buick Encore GX’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 2025 Buick Encore GX.

We Know Buick Encore GX Engines

Buick Encore GX engines are known for their reliability. You may have even been thinking about that when you bought 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 2025 Buick Encore GX 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 Encore GX 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 2025 Buick Encore GX

If your Encore GX 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 vehicle's ignition, Causes may include a faulty oxygen sensor, damaged spark plug, issues with your catalytic converter, or a leaking engine vacuum, to name a few potential sources. Bring your Encore GX in for an on-board diagnostic check and we'll determine exactly why your check engine light is on. rattling sounds, burning smells, or engine misfiring.

Buick Encore GX Engine Repair

If your 2025 Buick Encore GX needs engine repair, 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. But if immediate repairs are necessary for your safety, we’ll make sure that's clear, too. We want to provide you with the information you need to make an informed engine repair decision. By choosing Firestone Complete Auto Care for Encore GX engine repairs and you can drive easy knowing that we use Buick-approved parts and fluids — timing chain or belt, motor oil seal, fuses, or a different component.

Engine Q&A 2025 Buick Encore GX

Why does my Encore GX’s check engine light come on when I start it? Generally, your check engine light turning on upon ignition is not a bad thing. This is just your Encore GX testing its circuits. The light should go off shortly. Bring your vehicle in if it doesn't.
Are Buick Encore GX engine noises bad? Strange under-the-hood noises can point to problems within your Buick Encore GX engine. Knocking or tapping could be a symptom of low oil. Whistling could mean a belt is misaligned or there's an intake leak. 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 Encore GX 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. Help sustain your engine’s performance and efficiency by staying miles away from these bad driving practices.
Can I use water in my Buick Encore GX radiator? It’s not recommended you put water in your Encore GX 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.
What could cause my Encore GX engine to suddenly stop? There are different reasons your Encore GX 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 fixes Buick Encore GX engines? For Buick Encore GX engine repair, trust your local Firestone Complete Auto Care. You can make an appointment today at any of our thousands of locations across the U.S.