Why does my XJS’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. It’s just your XJS firing up its circuits. The light should go off shortly. Bring your vehicle in if it doesn't.

Why is my Jaguar XJS making engine noise?

Strange engine sounds can be a sign something’s off in your Jaguar XJS. 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 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 pushing 'the pedal to the metal' before the engine has warmed up. Help sustain your engine’s performance and efficiency by staying miles away from these bad driving practices.

Is it okay to put water in my Jaguar XJS radiator?

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

What could cause my XJS engine 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 repairs Jaguar XJS engines?

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

Engine Repairs for Your 1991 Jaguar XJS

Learn about

1991 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.

V12/5.3L

Jaguar XJS Repairs and Services

Nothing stays the same forever. Even your Jaguar XJS's many parts and pieces. When something breaks or fails, we’re ready to help. Click on a repair below to learn more about 1991 Jaguar XJS repairs.

We Know Jaguar XJS Engines

Jaguar XJS drivers trust that their XJS will take them near and far. You may have even been thinking about that when you bought it. However, the wear-proof engine has yet to be invented! Things can go sideways sometimes. When they do, you might find yourself searching for 1991 Jaguar XJS engine repair or replacement parts. That's when it's time to head to Firestone Complete Auto Care. We've serviced more than 500 million vehicles since 1926, and our technicians know Jaguar XJS 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.

My 1991 Jaguar XJS Check Engine Light Is On

If your XJS check engine light is on, it’s time to get it looked at. A check engine light that’s flashing or steadily illuminated could point to problems with your vehicle's ignition, Potential causes may include a faulty oxygen sensor, worn spark plug, a clogged catalytic converter, or a leak in the engine vacuum, to name a few potential sources. Stop by your local Firestone Complete Auto Care to get your XJS issues diagnosed and our expert techs will get the root of the problem. engine rattling, essential fluid leaks, or misfiring.

1991 XJS Engine Services

When your Jaguar XJS engine needs repairs, our technicians will provide you with a thorough explanation beforehand. We don't start working until we have your approval. 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 seek to give you all the info you need to make a smart decision about our services. Turn to Firestone Complete Auto Care for your 1991 XJS engine repairs and you can feel good knowing that we only use Jaguar-compliant replacement parts such as the cambelt, motor oil seal, sensors, or other parts.

Engine Q&A 1991 Jaguar XJS

Why does my XJS’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. It’s just your XJS firing up its circuits. The light should go off shortly. Bring your vehicle in if it doesn't.
Why is my Jaguar XJS making engine noise? Strange engine sounds can be a sign something’s off in your Jaguar XJS. 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 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 pushing 'the pedal to the metal' before the engine has warmed up. Help sustain your engine’s performance and efficiency by staying miles away from these bad driving practices.
Is it okay to put water in my Jaguar XJS radiator? It’s not recommended you put water in your XJS 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.
What could cause my XJS engine 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 repairs Jaguar XJS engines? Your local Firestone Complete Auto Care fixes Jaguar XJS engines. Book an appointment today! We have thousands of locations across the country.