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

It's okay if your check engine light comes on when you first start your vehicle. This is just your CTS testing its circuits. The light should go off shortly. Bring your vehicle in if it doesn't.

Why does my Cadillac engine sound different?

Strange engine sounds can be a sign something’s off in your Cadillac CTS. Tapping or knocking could mean you need an oil change. Whistling sounds could mean you have an intake leak or misaligned belt. Squealing may be caused by a loose fan belt, and grinding might be coming from the brakes, not the engine.

What could damage my Cadillac CTS engine?

Certain driving habits can hurt your engine. These habits include driving on an empty fuel tank, flooring the gas pedal while the car is in Park, or pushing 'the pedal to the metal' before the engine has warmed up. Help sustain your engine’s performance and efficiency by staying miles away from these bad driving practices.

Can I put water in my Cadillac CTS 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 CTS when you’re out of coolant, having water in the coolant reservoir is better than nothing.

What can cause a CTS engine to suddenly stop?

There are different reasons your CTS 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 repairs Cadillac CTS engines?

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

Engine Repairs for Your 2015 Cadillac CTS

Learn about

2015 Cadillac CTS Trim Options

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

L4/2.0L

V6/3.6L

V8/6.2L

Cadillac CTS Repairs and Services

Stuff wears out. Even your Cadillac CTS's many parts and pieces. We’re here to help when something stops working. Click on a repair below to learn more about 2015 Cadillac CTS repairs.

We’re Trained to Care for Cadillac CTS Engines

Cadillac CTS drivers trust that their CTS will take them near and far. You probably thought about that when you got it. 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! That’s where Firestone Complete Auto Care comes in. We've serviced more than 500 million vehicles since 1926, and our technicians know Cadillac CTS engines. Schedule an appointment if you're experiencing problems that could require engine repair. Firestone Complete Auto Care is a top choice for professional engine diagnosis, service, and repair at an affordable price.

Illuminated Check Engine Light on 2015 Cadillac CTS

As soon as your CTS check engine light turns on, it’s time to get an expert’s opinion. A steady or flashing check engine light could signal a serious issue with your fuel, Potential causes may include a faulty oxygen sensor, bad spark plug, issues with your catalytic converter, or an engine vacuum leak, but that's only a few of the possible causes. Bring your CTS 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 Cadillac CTS engine service might include oil leaks, or a sinking feeling that something’s wrong.

Cadillac CTS Engine Repair

When your Cadillac CTS 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. 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 CTS engine repairs and you can feel good knowing that we only use Cadillac-compliant replacement parts such as the serpentine belt, engine oil seal, fuses, or other parts.

Questions About 2015 Cadillac CTS Engines

Why does my CTS’s check engine light come on when I start it? It's okay if your check engine light comes on when you first start your vehicle. This is just your CTS testing its circuits. The light should go off shortly. Bring your vehicle in if it doesn't.
Why does my Cadillac engine sound different? Strange engine sounds can be a sign something’s off in your Cadillac CTS. Tapping or knocking could mean you need an oil change. Whistling sounds could mean you have an intake leak or misaligned belt. Squealing may be caused by a loose fan belt, and grinding might be coming from the brakes, not the engine.
What could damage my Cadillac CTS engine? Certain driving habits can hurt your engine. These habits include driving on an empty fuel tank, flooring the gas pedal while the car is in Park, or pushing 'the pedal to the metal' before the engine has warmed up. Help sustain your engine’s performance and efficiency by staying miles away from these bad driving practices.
Can I put water in my Cadillac CTS 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 CTS when you’re out of coolant, having water in the coolant reservoir is better than nothing.
What can cause a CTS engine to suddenly stop? There are different reasons your CTS 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 repairs Cadillac CTS engines? Your local Firestone Complete Auto Care has you covered with expert CTS engine repair. Schedule an appointment today and see us at one of our thousands of locations.