Why does my CT6’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. It’s just your CT6 firing up its circuits. The light should go off shortly. Bring your vehicle in if it doesn't.

Why does my Cadillac engine sound different?

Strange under-the-hood noises can point to problems within your Cadillac CT6 engine. Tapping or knocking could mean you're low on oil. Whistling sounds could mean you have an intake leak or misaligned belt. Squealing can be traced back to a loose fan belt, and grinding could be a sign that something is wrong with your 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 use water in my Cadillac CT6 radiator?

Only in emergencies. A 50/50 mix of coolant and water (or a pre-mixed) coolant is recommended. However, if you must keep driving when you're out of coolant, it's better to drive with water in your coolant reservoir than nothing.

What could cause my CT6 engine to suddenly stop?

There are different reasons your CT6 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 can repair my Cadillac CT6 engine?

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.

2017 Cadillac CT6 Engine Repair

Learn about

2017 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

Cadillac CT6 Repairs and Services

Nothing lasts forever. Even your Cadillac CT6’s engine parts and components will change. We’re here to help when something stops working. Click on a repair below to learn more about 2017 Cadillac CT6 repairs.

We Care for Cadillac CT6 Engines

Cadillac CT6 drivers trust that their CT6 will take them near and far. That might be why you bought it in the first place. However, even your trustworthy engine is subject to wear and tear. Things can go wrong on the road. When they do, you might find yourself searching for 2017 Cadillac CT6 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. Since 1926, we’ve taken care of 500 million+ cars, so you can rest assured knowing your Cadillac CT6 engine will be in good hands. 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 2017 Cadillac CT6

As soon as your CT6 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 injection, Possible causes can include a failing oxygen sensor, damaged spark plug, issues with your catalytic converter, or an engine vacuum leak, to name a few potential sources. Bring your CT6 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 CT6 engine service might include burning smells, or engine misfiring.

Cadillac CT6 Engine Repair

If your 2017 CT6 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 seek to give you all the info you need to make a smart decision about our services. Turn to Firestone Complete Auto Care for your 2017 CT6 engine repairs and you can drive easy knowing that we use Cadillac-approved parts and fluids — serpentine belt, valve guide seal, sensors, or other parts.

Questions About 2017 Cadillac CT6 Engines

Why does my CT6’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. It’s just your CT6 firing up its circuits. The light should go off shortly. Bring your vehicle in if it doesn't.
Why does my Cadillac engine sound different? Strange under-the-hood noises can point to problems within your Cadillac CT6 engine. Tapping or knocking could mean you're low on oil. Whistling sounds could mean you have an intake leak or misaligned belt. Squealing can be traced back to a loose fan belt, and grinding could be a sign that something is wrong with your 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 use water in my Cadillac CT6 radiator? Only in emergencies. A 50/50 mix of coolant and water (or a pre-mixed) coolant is recommended. However, if you must keep driving when you're out of coolant, it's better to drive with water in your coolant reservoir than nothing.
What could cause my CT6 engine to suddenly stop? There are different reasons your CT6 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 can repair my Cadillac CT6 engine? 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.