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

Generally, your check engine light turning on upon ignition is not a bad thing. It’s just your Terrain firing up its circuits. The light should go off shortly. Bring your vehicle in if it doesn't.

Why is my GMC Terrain making engine noise?

Strange engine sounds can be a sign something’s off in your GMC Terrain. Tapping or knocking could mean you need an oil change. A high-pitched whistle could signal 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 a GMC engine? [ordered-list-1-item-3-1]Are you unknowingly damaging your GMC Terrain 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 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 GMC Terrain radiator?

An emergency is the only time you should consider putting water in your radiator. Outside of that, it’s recommended you use a pre-mixed coolant or a 50/50 blend of water and coolant. However, if you need to continue driving your Terrain when you’re out of coolant, having water in the coolant reservoir is better than nothing.

What can cause a Terrain engine to suddenly stop?

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

Who fixes GMC Terrain engines?

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

2012 GMC Terrain Engine Repair

Learn about

2012 GMC Terrain Trim Options

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

L4/2.4L

V6/3.0L

2012 GMC Terrain Repair

Nothing lasts forever. Even your GMC Terrain's many parts and pieces. When something breaks, we're ready. Select a service or repair below to learn more about what we can do for your 2012 GMC Terrain.

We Know GMC Terrain Engines

GMC Terrain drivers trust that their Terrain will take them near and far. You probably thought about that when you got it. However, even your trustworthy engine is subject to wear and tear. Things can go wrong on the road. If they do, you’ll have to find a dependable 2012 GMC service center — quick! That's when it's time to head to Firestone Complete Auto Care. Since 1926, we’ve taken care of 500 million+ cars, so you can rest assured knowing your GMC Terrain engine will be in good hands. 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 2012 GMC Terrain Check Engine Light Is On

If your Terrain check engine light is on, it’s time to get it looked at. A check engine light that’s on or flashing could be a symptom of a serious problem in your car’s ignition, Causes may include a faulty oxygen sensor, worn spark plug, a problem with your catalytic converter, or a leak in the engine vacuum, to name a few possible causes. Bring your Terrain to Firestone Complete Auto Care to get computerized diagnostics and we’ll figure out why that check engine light is giving you grief. engine pinging noises, oil leaks, or misfiring.

2012 Terrain Engine Services

If your 2012 GMC Terrain needs engine repair, 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 want to provide you with the information you need to make an informed engine repair decision. By choosing Firestone Complete Auto Care for Terrain engine repairs and you can feel confident knowing that we use GMC-approved parts and components like the timing chain or belt, engine oil seal, ignition coil, or other parts.

2012 GMC Terrain Engine Q&A

Why does the check engine light in my Terrain turn on when I start my car? Generally, your check engine light turning on upon ignition is not a bad thing. It’s just your Terrain firing up its circuits. The light should go off shortly. Bring your vehicle in if it doesn't.
Why is my GMC Terrain making engine noise? Strange engine sounds can be a sign something’s off in your GMC Terrain. Tapping or knocking could mean you need an oil change. A high-pitched whistle could signal 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 a GMC engine? [ordered-list-1-item-3-1]Are you unknowingly damaging your GMC Terrain 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 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 GMC Terrain radiator? An emergency is the only time you should consider putting water in your radiator. Outside of that, it’s recommended you use a pre-mixed coolant or a 50/50 blend of water and coolant. However, if you need to continue driving your Terrain when you’re out of coolant, having water in the coolant reservoir is better than nothing.
What can cause a Terrain engine to suddenly stop? Reasons your Terrain car engine may suddenly stop include engine overheating, electrical troubles, mechanical issues, ignition system problems, faulty sensors, and low fuel.
Who fixes GMC Terrain engines? Your local Firestone Complete Auto Care fixes GMC Terrain engines. Book an appointment today! We have thousands of locations across the country.