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

Generally, your check engine light turning on upon ignition is not a bad thing. This is a sign that your vehicle is testing its circuits. The light should go off shortly. Bring your vehicle in if it doesn't.

Why does my Jaguar engine sound different?

Unusual noises can signal a problem with your Jaguar XJS engine. Tapping or knocking could mean you need an oil change. A high-pitched whistle could signal an intake leak or misaligned belt. Squealing can be traced back to a loose fan belt, and grinding might be a sign of brake problems rather than engine issues.

What could damage a Jaguar engine? [ordered-list-1-item-3-1]Are you unknowingly damaging your Jaguar XJS 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 accelerating too quickly, too soon. Steer clear of these habits to help protect engine performance and efficiency.

Can I add water to my Jaguar XJS radiator?

While it’s not recommended, you can use water in your XJS 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 a XJS engine to suddenly stop?

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

Who fixes Jaguar XJS engines?

Your local Firestone Complete Auto Care offers Jaguar XJS engine repair. Schedule an appointment today at one of our thousands of locations nationwide!

Engine Repairs for Your 1994 Jaguar XJS

Learn about

1994 Jaguar XJS Trim Options

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

L6/4.0L

V12/6.0L

1994 Jaguar XJS Repair

Nothing stays the same forever. Even your Jaguar XJS'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 1994 Jaguar XJS.

We Care for Jaguar XJS Engines

The Jaguar XJS is respected for its reliability. That might be why you bought it in the first place. Even so, pieces and parts can break down over time. Sometimes plans go sideways. If they do, you’ll have to find a dependable 1994 Jaguar service center — quick! That’s where Firestone Complete Auto Care comes in. Since 1926, we’ve taken care of 500 million+ cars, so you can rest assured knowing your Jaguar XJS engine will be in good hands. 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.

My 1994 Jaguar XJS Check Engine Light Is On

If your XJS check engine light is on, it’s time to get it looked at. A steady or flashing check engine light could signal a serious issue with your or emission system, and it won’t go away by ignoring it. Causes may include a faulty oxygen sensor, worn spark plug, a problem with your catalytic converter, or a leaking engine vacuum, but that's only a few of the possible causes. Stop by your local Firestone Complete Auto Care to get your XJS issues diagnosed and we'll determine exactly why your check engine light is on. Other signs it's time for Jaguar XJS engine service might include oil leaks, or a sinking feeling that something’s wrong.

1994 XJS Engine Services

If your 1994 XJS engine needs repairs, our expert techs will let you know what needs to be done and why before they get started. We make recommendations, but you make the final decision. If a service can wait, we’ll make sure you know. We'll also tell you if it's necessary for your safety. We want to give you all the details you need to make an informed decision about your engine repairs. By choosing Firestone Complete Auto Care for XJS engine repairs and you can drive easy knowing that we use Jaguar-approved parts and fluids — cambelt, oil gasket, sensors, or another part.

Questions About 1994 Jaguar XJS Engines

Why does the check engine light come on when I start my XJS? Generally, your check engine light turning on upon ignition is not a bad thing. This is a sign that your vehicle is testing its circuits. The light should go off shortly. Bring your vehicle in if it doesn't.
Why does my Jaguar engine sound different? Unusual noises can signal a problem with your Jaguar XJS engine. Tapping or knocking could mean you need an oil change. A high-pitched whistle could signal an intake leak or misaligned belt. Squealing can be traced back to a loose fan belt, and grinding might be a sign of brake problems rather than engine issues.
What could damage a Jaguar engine? [ordered-list-1-item-3-1]Are you unknowingly damaging your Jaguar XJS 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 accelerating too quickly, too soon. Steer clear of these habits to help protect engine performance and efficiency.
Can I add water to my Jaguar XJS radiator? While it’s not recommended, you can use water in your XJS 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 a XJS engine to suddenly stop? Reasons your XJS car engine may suddenly stop include engine overheating, electrical troubles, mechanical issues, ignition system problems, faulty sensors, and low fuel.
Who fixes Jaguar XJS engines? Your local Firestone Complete Auto Care offers Jaguar XJS engine repair. Schedule an appointment today at one of our thousands of locations nationwide!