Why does the check engine light come on when I start my CT6?

Generally, your check engine light turning on upon ignition is not a bad thing. This is just your CT6 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 CT6. Tapping or knocking could mean you need an oil change. Whistling could mean a belt is misaligned or there's an intake leak. Squealing can be traced back to a loose fan belt, and grinding might be coming from the brakes, not the engine.

What could damage a Cadillac engine? [ordered-list-1-item-3-1]Are you unknowingly damaging your Cadillac CT6 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 accelerating too quickly, too soon. Help sustain your engine’s performance and efficiency by staying miles away from these bad driving practices.

Can I put water in my Cadillac CT6 radiator?

It’s not recommended you put water in your CT6 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 can cause the engine in my CT6 to suddenly stop?

Reasons your CT6 car engine may suddenly stop include engine overheating, electrical troubles, mechanical issues, ignition system problems, faulty sensors, and low fuel.

Where can I go for Cadillac CT6 repair?

For Cadillac CT6 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.

Engine Repairs for Your 2019 Cadillac CT6

Learn about

2019 Cadillac CT6 Trim Options

Select your Cadillac CT6 trim level to learn more about Cadillac-recommended engine repair. Use the following chart to find information.

L4/2.0L

V6/3.0L

V6/3.6L

V8/4.2L

2019 Cadillac CT6 Repair

Nothing stays the same forever. Even your Cadillac CT6's many parts and pieces. We’re here to help when something stops working. Select a repair or category to learn more about 2019 Cadillac CT6 services.

We’re Trained to Care for Cadillac CT6 Engines

Cadillac CT6 engines are known for their reliability. That might be why you bought it in the first place. Even so, pieces and parts can break down over time. Sometimes plans go sideways. If the unexpected strikes, you may search the internet frantically for quick and affordable 2019 Cadillac CT6 engine repairs. That’s where Firestone Complete Auto Care comes in. We've serviced more than 500 million vehicles since 1926, and our technicians know Cadillac CT6 engines. Schedule a courtesy inspection at the first sign of engine trouble. Firestone Complete Auto Care offers both trustworthy and affordable engine repairs.

My 2019 Cadillac CT6 Check Engine Light Is On

As soon as your CT6 check engine light turns on, it’s time to get an expert’s opinion. A check engine light that’s flashing or steadily illuminated could point to problems with your or emission system, and it won’t go away by ignoring it. Potential causes may include a faulty oxygen sensor, damaged spark plug, a problem with your catalytic converter, or a leaking engine vacuum, to name a few potential sources. Bring your CT6 to Firestone Complete Auto Care to get computerized diagnostics and our expert techs will get the root of the problem. Other signs your Cadillac CT6 engine needs some TLC are burning smells, or misfiring.

2019 CT6 Engine Services

When your Cadillac CT6 engine needs repairs, our technicians will provide you with a thorough explanation beforehand. We make recommendations, but you make the final decision. If a repair can wait, we'll let you know. We'll also tell you if it's necessary for your safety. 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 2019 CT6 engine repairs and you can drive easy knowing that we use Cadillac-approved parts and fluids — timing belt, oil gasket, fuses, or a different component.

Questions About 2019 Cadillac CT6 Engines

Why does the check engine light come on when I start my CT6? Generally, your check engine light turning on upon ignition is not a bad thing. This is just your CT6 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 CT6. Tapping or knocking could mean you need an oil change. Whistling could mean a belt is misaligned or there's an intake leak. Squealing can be traced back to a loose fan belt, and grinding might be coming from the brakes, not the engine.
What could damage a Cadillac engine? [ordered-list-1-item-3-1]Are you unknowingly damaging your Cadillac CT6 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 accelerating too quickly, too soon. Help sustain your engine’s performance and efficiency by staying miles away from these bad driving practices.
Can I put water in my Cadillac CT6 radiator? It’s not recommended you put water in your CT6 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 can cause the engine in my CT6 to suddenly stop? Reasons your CT6 car engine may suddenly stop include engine overheating, electrical troubles, mechanical issues, ignition system problems, faulty sensors, and low fuel.
Where can I go for Cadillac CT6 repair? For Cadillac CT6 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.