Why does the check engine light in my CT6 turn on when I start my car?

Generally, your check engine light turning on upon ignition is not a bad thing. This is just your CT6 testing its circuits. The dash light shouldn't stay on. If it does, you might want to bring your vehicle in for service.

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. A high-pitched whistle could signal an intake leak or misaligned belt. 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 CT6 engine?

Some driving habits are not so great for your engine. These include driving on a near-empty gas tank, revving the engine while still in Park, or pushing 'the pedal to the metal' before the engine has warmed up. Steer clear of these habits to help protect engine performance and efficiency.

Is it okay to put water in my Cadillac CT6 radiator?

While it’s not recommended, you can use water in your CT6 radiator in emergencies. Normally, you should only use a 50/50 mix of coolant and water or a pre-mixed coolant. However, if you are completely out of coolant and must continue driving, it’s better to have water in your coolant reservoir than nothing.

Why did my CT6 engine suddenly stop?

Your CT6 car engine could stop suddenly due to low fuel, electrical issues, overheating, a faulty ignition system, mechanical troubles, or sensor problems.

Who can repair my Cadillac CT6 engine?

Your local Firestone Complete Auto Care fixes Cadillac CT6 engines. Book an appointment today! We have thousands of locations across the country.

Reliable Repairs for 2016 Cadillac CT6 Engines

Learn about

2016 Cadillac CT6 Trim Options

Select your Cadillac CT6 trim level to learn more about Cadillac-recommended engine repair. Even Cadillac CT6 parts will get older and change.

L4/2.0L

V6/3.0L

V6/3.6L

2016 Cadillac CT6 Repair

Nothing stays the same forever. Even your Cadillac CT6’s engine parts and components will change. When something breaks, we're ready. Click on a repair below to learn more about 2016 Cadillac CT6 repairs.

We Care for Cadillac CT6 Engines

Cadillac CT6 engines are known for their reliability. You may have even been thinking about that when you bought it. Even so, pieces and parts can break down over time. Things can go wrong on the road. When they do, you might find yourself searching for 2016 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. We've serviced millions of vehicles since 1926, and our professional technicians are trained to service Cadillac CT6 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 2016 Cadillac CT6

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 combustion, Possible causes can include a failing oxygen sensor, worn spark plug, a clogged catalytic converter, or an engine vacuum leak, to name a few possible causes. Bring your CT6 in for an on-board diagnostic check and we'll determine exactly why your check engine light is on. engine pinging noises, oil leaks, or engine misfiring.

2016 CT6 Engine Services

When your Cadillac CT6 engine needs repairs, our expert techs will let you know what needs to be done and why before they get started. 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 provide you with the information you need to make an informed engine repair decision. Choose Firestone Complete Auto Care for Cadillac CT6 engine repairs and you can drive easy knowing that we use Cadillac-approved parts and fluids — timing belt, valve guide seal, fuses, or another part.

Questions About 2016 Cadillac CT6 Engines

Why does the check engine light in my CT6 turn on when I start my car? Generally, your check engine light turning on upon ignition is not a bad thing. This is just your CT6 testing its circuits. The dash light shouldn't stay on. If it does, you might want to bring your vehicle in for service.
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. A high-pitched whistle could signal an intake leak or misaligned belt. 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 CT6 engine? Some driving habits are not so great for your engine. These include driving on a near-empty gas tank, revving the engine while still in Park, or pushing 'the pedal to the metal' before the engine has warmed up. Steer clear of these habits to help protect engine performance and efficiency.
Is it okay to put water in my Cadillac CT6 radiator? While it’s not recommended, you can use water in your CT6 radiator in emergencies. Normally, you should only use a 50/50 mix of coolant and water or a pre-mixed coolant. However, if you are completely out of coolant and must continue driving, it’s better to have water in your coolant reservoir than nothing.
Why did my CT6 engine suddenly stop? Your CT6 car engine could stop suddenly due to low fuel, electrical issues, overheating, a faulty ignition system, mechanical troubles, or sensor problems.
Who can repair my Cadillac CT6 engine? Your local Firestone Complete Auto Care fixes Cadillac CT6 engines. Book an appointment today! We have thousands of locations across the country.