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

Why is my Jaguar XJ making engine noise?

Unusual noises can signal a problem with your Jaguar XJ engine. Knocking or tapping could be a symptom of low oil. 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 a Jaguar engine? [ordered-list-1-item-3-1]Are you unknowingly damaging your Jaguar XJ 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. Protect your engine’s performance and efficiency by distancing yourself from these habits.

Can I use water in my Jaguar XJ radiator?

It’s not recommended you put water in your XJ 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.

Why did my XJ engine suddenly stop?

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

Who repairs Jaguar XJ engines?

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

Engine Repairs for Your 2012 Jaguar XJ

Learn about

2012 Jaguar XJ Trim Options

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

V8/5.0L

Jaguar XJ Repairs and Services

Nothing stays the same forever. Even your Jaguar XJ’s engine parts and components will change. When something breaks or fails, we’re ready to help. Select a repair or category to learn more about 2012 Jaguar XJ services.

We Know Jaguar XJ Engines

The Jaguar XJ is respected for its reliability. You probably thought about that when you got it. However, even your trustworthy engine is subject to wear and tear. Things can go sideways sometimes. If they do, you’ll have to find a dependable 2012 Jaguar service center — quick! That’s where Firestone Complete Auto Care comes in. We've serviced millions of vehicles since 1926, and our professional technicians are trained to service Jaguar XJ engines. Schedule a courtesy inspection at the first sign of engine trouble. After all, Firestone Complete Auto Care is one of the most popular picks for professional engine repairs thanks to its service and affordability.

Check Engine Light on 2012 Jaguar XJ

If your XJ check engine light is on, it’s time to get it looked at. A check engine light that’s on or flashing could be a symptom of a serious problem in your car’s ignition, Potential causes may include a faulty oxygen sensor, worn spark plug, a problem with your catalytic converter, or an engine vacuum leak, to name a few potential sources. Bring your XJ to Firestone Complete Auto Care to get computerized diagnostics and we'll determine exactly why your check engine light is on. rattling sounds, oil leaks, or a sinking feeling that something’s wrong.

Engine Repairs for Your 2012 XJ

When your Jaguar XJ engine needs repairs, our expert techs will let you know what needs to be done and why before they get started. We never do any work without your sign-off. 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. Turn to Firestone Complete Auto Care for your 2012 XJ engine repairs and you can feel confident knowing that we use Jaguar-approved parts and components like the cambelt, oil gasket, ignition coil, or other parts.

2012 Jaguar XJ Engine Q&A

Why does the check engine light in my XJ 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 XJ testing its circuits. The light should turn off in a bit, but come see us if it doesn't.
Why is my Jaguar XJ making engine noise? Unusual noises can signal a problem with your Jaguar XJ engine. Knocking or tapping could be a symptom of low oil. 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 a Jaguar engine? [ordered-list-1-item-3-1]Are you unknowingly damaging your Jaguar XJ 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. Protect your engine’s performance and efficiency by distancing yourself from these habits.
Can I use water in my Jaguar XJ radiator? It’s not recommended you put water in your XJ 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.
Why did my XJ engine suddenly stop? Your XJ car engine could stop suddenly due to low fuel, electrical issues, overheating, a faulty ignition system, mechanical troubles, or sensor problems.
Who repairs Jaguar XJ engines? Your local Firestone Complete Auto Care fixes Jaguar XJ engines. Book an appointment today! We have thousands of locations across the country.