Why does the check engine light come on when I start my XJ8?

It's okay if your check engine light comes on when you first start your vehicle. This is a sign that your vehicle is testing its circuits. The dash light shouldn't stay on. If it does, you might want to bring your vehicle in for service.

Why is my Jaguar XJ8 making engine noise?

Strange under-the-hood noises can point to problems within your Jaguar XJ8 engine. Knocking or tapping could be a symptom of low oil. Whistling sounds could mean you have 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 Jaguar XJ8 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 slamming the gas pedal while the engine is still cold. Steer clear of these habits to help protect engine performance and efficiency.

Can I add water to my Jaguar XJ8 radiator?

An emergency is the only time you should consider putting water in your radiator. Outside of that, it’s recommended you use a pre-mixed coolant or a 50/50 blend of water and coolant. However, if you need to continue driving your XJ8 when you’re out of coolant, having water in the coolant reservoir is better than nothing.

What can cause a XJ8 engine to suddenly stop?

There are different reasons your XJ8 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 repairs Jaguar XJ8 engines?

For Jaguar XJ8 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 2004 Jaguar XJ8

Learn about

2004 Jaguar XJ8 Trim Options

Select your Jaguar XJ8 trim level to learn more about Jaguar-recommended engine repair. Use the following chart to find information.

V8/4.2L

2004 Jaguar XJ8 Repair

Nothing stays the same forever. Even your Jaguar XJ8’s engine parts and components will change. We’re here to help when something stops working. Select a service or repair below to learn more about what we can do for your 2004 Jaguar XJ8.

We Know Jaguar XJ8 Engines

Jaguar XJ8 engines are known for their reliability. You probably thought about that when you got it. However, the wear-proof engine has yet to be invented! Things can go wrong on the road. If they do, you’ll have to find a dependable 2004 Jaguar service center — quick! That's when it's time to head to Firestone Complete Auto Care. We've serviced millions of vehicles since 1926, and our professional technicians are trained to service Jaguar XJ8 engines. Schedule an appointment if you're experiencing problems that could require engine repair. After all, Firestone Complete Auto Care is one of the most popular picks for professional engine repairs thanks to its service and affordability.

Illuminated Check Engine Light on 2004 Jaguar XJ8

As soon as your XJ8 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 car’s starter, Possible causes can include a failing oxygen sensor, bad spark plug, a clogged catalytic converter, or a leak in the engine vacuum, to name a few possible causes. Bring your XJ8 to Firestone Complete Auto Care to get computerized diagnostics and we'll determine exactly why your check engine light is on. rattling sounds, burning smells, or engine misfiring.

Engine Repairs for Your 2004 XJ8

If your 2004 Jaguar XJ8 needs engine repair, our technicians will provide you with a thorough explanation beforehand. We never do any work without your sign-off. 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 provide you with the information you need to make an informed engine repair decision. Choose Firestone Complete Auto Care for Jaguar XJ8 engine repairs and you can drive easy knowing that we use Jaguar-approved parts and fluids — timing chain or belt, valve guide seal, sensors, or a different component.

2004 Jaguar XJ8 Engine Q&A

Why does the check engine light come on when I start my XJ8? It's okay if your check engine light comes on when you first start your vehicle. This is a sign that your vehicle is testing its circuits. The dash light shouldn't stay on. If it does, you might want to bring your vehicle in for service.
Why is my Jaguar XJ8 making engine noise? Strange under-the-hood noises can point to problems within your Jaguar XJ8 engine. Knocking or tapping could be a symptom of low oil. Whistling sounds could mean you have 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 Jaguar XJ8 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 slamming the gas pedal while the engine is still cold. Steer clear of these habits to help protect engine performance and efficiency.
Can I add water to my Jaguar XJ8 radiator? An emergency is the only time you should consider putting water in your radiator. Outside of that, it’s recommended you use a pre-mixed coolant or a 50/50 blend of water and coolant. However, if you need to continue driving your XJ8 when you’re out of coolant, having water in the coolant reservoir is better than nothing.
What can cause a XJ8 engine to suddenly stop? There are different reasons your XJ8 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 repairs Jaguar XJ8 engines? For Jaguar XJ8 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.