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

It's okay if your check engine light comes on when you first start your vehicle. This is just your XJS 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 Jaguar engine sound different?

Strange engine sounds can be a sign something’s off in your Jaguar XJS. Tapping or knocking could mean you're low on oil. Whistling could mean a belt is misaligned or there's an intake leak. 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 XJS engine?

Certain driving habits can damage your engine and should be avoided. These habits include 'running on fumes,' 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 use water in my Jaguar XJS radiator?

Only in emergencies. A 50/50 mix of coolant and water (or a pre-mixed) coolant is recommended. However, if you must keep driving when you're out of coolant, it's better to drive with water in your coolant reservoir than nothing.

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

Your XJS 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 Jaguar XJS engine?

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

Reliable Repairs for 1990 Jaguar XJS Engines

Learn about

1990 Jaguar XJS Trim Options

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

V12/5.3L

Repairs for Your 1990 Jaguar XJS

Stuff wears out. Even your Jaguar XJS’s engine parts and components will change. When something breaks, we're ready. Click on a repair below to learn more about 1990 Jaguar XJS repairs.

We Care for Jaguar XJS Engines

Jaguar XJS engines are known for their reliability. That might be why you bought it in the first place. Even so, pieces and parts can break down over time. Things can go wrong on the road. If they do, you’ll have to find a dependable 1990 Jaguar service center — quick! Luckily, you won’t have to look far, since Firestone Complete Auto Care has 1,700+ locations across the country. 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. If you think something’s wrong with your engine, schedule an appointment at your convenience. 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 1990 Jaguar XJS

As soon as your XJS 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, damaged spark plug, a clogged 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 figure out why that check engine light is giving you grief. rattling sounds, oil leaks, or engine misfiring.

Engine Repairs for Your 1990 XJS

If your 1990 Jaguar XJS needs engine repair, our technicians will provide you with a thorough explanation beforehand. 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 provide you with the information you need to make an informed engine repair decision. By choosing Firestone Complete Auto Care for XJS engine repairs and you can drive easy knowing that we use Jaguar-approved parts and fluids — timing chain or belt, engine oil seal, sensors, or other parts.

Questions About 1990 Jaguar XJS Engines

Why does the check engine light in my XJS turn on when I start my car? It's okay if your check engine light comes on when you first start your vehicle. This is just your XJS 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 Jaguar engine sound different? Strange engine sounds can be a sign something’s off in your Jaguar XJS. Tapping or knocking could mean you're low on oil. Whistling could mean a belt is misaligned or there's an intake leak. 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 XJS engine? Certain driving habits can damage your engine and should be avoided. These habits include 'running on fumes,' 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 use water in my Jaguar XJS radiator? Only in emergencies. A 50/50 mix of coolant and water (or a pre-mixed) coolant is recommended. However, if you must keep driving when you're out of coolant, it's better to drive with water in your coolant reservoir than nothing.
What can cause the engine in my XJS to suddenly stop? Your XJS 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 Jaguar XJS engine? Your local Firestone Complete Auto Care has you covered with expert XJS engine repair. Schedule an appointment today and see us at one of our thousands of locations.