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

It’s usually normal for your check engine light to turn on upon ignition. This is a sign that your vehicle is testing 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 Cadillac XTS making engine noise?

Unusual noises can signal a problem with your Cadillac XTS 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 indicate a loose fan belt, and grinding could be a sign that something is wrong with your brakes — not the engine.

What could damage my Cadillac XTS engine?

Certain driving habits can damage your engine and should be avoided. These habits include 'running on fumes,' 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 Cadillac XTS radiator?

It’s not recommended you put water in your XTS 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 XTS engine to suddenly stop?

There are different reasons your XTS 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 Cadillac XTS engines?

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

2015 Cadillac XTS Engine Repair

Learn about

2015 Cadillac XTS Trim Options

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

V6/3.6L

Cadillac XTS Repairs and Services

Nothing stays the same forever. Even your Cadillac XTS's many parts and pieces. When something breaks or fails, we’re ready to help. Select a repair or category to learn more about 2015 Cadillac XTS services.

We Know Cadillac XTS Engines

Cadillac XTS drivers trust that their XTS will take them near and far. That might be why you bought it in the first place. However, the wear-proof engine has yet to be invented! Things can go sideways sometimes. If they do, you’ll have to find a dependable 2015 Cadillac service center — quick! Luckily, you won’t have to look far, since Firestone Complete Auto Care has 1,700+ locations across the country. Since 1926, we’ve taken care of 500 million+ cars, so you can rest assured knowing your Cadillac XTS engine will be in good hands. Schedule a courtesy inspection at the first sign of engine trouble. Firestone Complete Auto Care offers both trustworthy and affordable engine repairs.

Illuminated Check Engine Light on 2015 Cadillac XTS

An illuminated check engine light on your Cadillac XTS 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 or emission control system that won’t go away on its own. Causes may include a faulty oxygen sensor, worn spark plug, issues with your catalytic converter, or an engine vacuum leak, to name a few potential sources. Stop by your local Firestone Complete Auto Care to get your XTS issues diagnosed and we’ll figure out why that check engine light is giving you grief. Other signs your Cadillac XTS engine needs some TLC are burning smells, or a sinking feeling that something’s wrong.

Cadillac XTS Engine Repair

If your 2015 XTS engine needs repairs, our technicians will provide you with a thorough explanation beforehand. We don't start working until we have your approval. If a repair isn’t urgent right now, 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 2015 XTS engine repairs and you can drive easy knowing that we use Cadillac-approved parts and fluids — serpentine belt, engine oil seal, sensors, or another part.

2015 Cadillac XTS Engine Q&A

Why does the check engine light in my XTS turn on when I start my car? It’s usually normal for your check engine light to turn on upon ignition. This is a sign that your vehicle is testing 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 Cadillac XTS making engine noise? Unusual noises can signal a problem with your Cadillac XTS 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 indicate a loose fan belt, and grinding could be a sign that something is wrong with your brakes — not the engine.
What could damage my Cadillac XTS engine? Certain driving habits can damage your engine and should be avoided. These habits include 'running on fumes,' 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 Cadillac XTS radiator? It’s not recommended you put water in your XTS 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 XTS engine to suddenly stop? There are different reasons your XTS 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 Cadillac XTS engines? Your local Firestone Complete Auto Care has you covered with expert XTS engine repair. Schedule an appointment today and see us at one of our thousands of locations.