Why does my STS’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 STS testing its circuits. The light should turn off in a bit, but come see us if it doesn't.

Why does my Cadillac engine sound different?

Strange under-the-hood noises can point to problems within your Cadillac STS engine. Knocking or tapping could be a symptom of low oil. A high-pitched whistle could signal an intake leak or misaligned belt. Squealing can indicate a loose fan belt, and grinding might be a sign of brake problems rather than engine issues.

What could damage a Cadillac engine? [ordered-list-1-item-3-1]Are you unknowingly damaging your Cadillac STS engine?

Some driving habits are not so great for your engine. These include driving on a near-empty gas tank, revving your engine while the vehicle 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 STS radiator?

While it’s not recommended, you can use water in your STS 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.

What can cause the engine in my STS to suddenly stop?

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

Who fixes Cadillac STS engines?

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

Engine Repairs for Your 2007 Cadillac STS

Learn about

2007 Cadillac STS Trim Options

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

V6/3.6L

V8/4.4L

V8/4.6L

Repairs for Your 2007 Cadillac STS

Nothing stays the same forever. Even your Cadillac STS's many parts and pieces. When something breaks, we're ready. Select a service or repair below to learn more about what we can do for your 2007 Cadillac STS.

We’re Trained to Care for Cadillac STS Engines

The Cadillac STS is respected for its reliability. You may have even been thinking about that when you bought it. However, the wear-proof engine has yet to be invented! Sometimes plans go sideways. If the unexpected strikes, you may search the internet frantically for quick and affordable 2007 Cadillac STS engine repairs. That's when it's time to head to Firestone Complete Auto Care. Since 1926, we’ve taken care of 500 million+ cars, so you can rest assured knowing your Cadillac STS 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 offers both trustworthy and affordable engine repairs.

Illuminated Check Engine Light on 2007 Cadillac STS

As soon as your STS 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 car’s ignition, Potential causes may include a faulty oxygen sensor, damaged spark plug, issues with your catalytic converter, or an engine vacuum leak, but that's only a few of the possible causes. Bring your STS in for an on-board diagnostic check and we’ll figure out why that check engine light is giving you grief. Other signs it's time for Cadillac STS engine service might include oil leaks, or a sinking feeling that something’s wrong.

2007 STS Engine Services

When your Cadillac STS engine needs repairs, our technicians will make sure you understand what’s going on before they start working on your engine. We make recommendations, but you make the final decision. If a repair isn’t urgent right now, we’ll let you know. If it's necessary for your safety, we'll make sure you understand that, too. We want to give you all the details you need to make an informed decision about your engine repairs. Choose Firestone Complete Auto Care for Cadillac STS engine repairs and you can drive easy knowing that we use Cadillac-approved parts and fluids — timing belt, engine oil seal, ignition coil, or other parts.

Questions About 2007 Cadillac STS Engines

Why does my STS’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 STS testing its circuits. The light should turn off in a bit, but come see us if it doesn't.
Why does my Cadillac engine sound different? Strange under-the-hood noises can point to problems within your Cadillac STS engine. Knocking or tapping could be a symptom of low oil. A high-pitched whistle could signal an intake leak or misaligned belt. Squealing can indicate a loose fan belt, and grinding might be a sign of brake problems rather than engine issues.
What could damage a Cadillac engine? [ordered-list-1-item-3-1]Are you unknowingly damaging your Cadillac STS engine? Some driving habits are not so great for your engine. These include driving on a near-empty gas tank, revving your engine while the vehicle 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 STS radiator? While it’s not recommended, you can use water in your STS 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.
What can cause the engine in my STS to suddenly stop? Reasons your STS car engine may suddenly stop include engine overheating, electrical troubles, mechanical issues, ignition system problems, faulty sensors, and low fuel.
Who fixes Cadillac STS engines? Your local Firestone Complete Auto Care has you covered with expert STS engine repair. Schedule an appointment today and see us at one of our thousands of locations.