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. This is just your XJS testing its circuits. The light should turn off in a bit, but come see us if it doesn't.

Are Jaguar XJS engine noises bad?

Strange under-the-hood noises can point to problems within your Jaguar XJS engine. Knocking or tapping could be a symptom of low oil. A high-pitched whistle could signal an intake leak or misaligned belt. Squealing may be caused by 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 hurt your engine. These habits include driving on an empty fuel tank, revving your engine while the vehicle is 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?

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 can cause the engine in my XJS to suddenly stop?

If your XJS car engine suddenly stops, it could be due to overheating, low fuel, a faulty ignition system, sensor problems, electrical system trouble, or mechanical issues.

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 1984 Jaguar XJS Engines

Learn about

1984 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 lasts forever. Even your Jaguar XJS’s engine parts and components will change. When something breaks, we're ready. Select a repair or category to learn more about 1984 Jaguar XJS services.

We Know Jaguar XJS Engines

Jaguar XJS drivers trust that their XJS will take them near and far. You probably thought about that when you got it. Even so, pieces and parts can break down over time. Things can go sideways sometimes. If the unexpected strikes, you may search the internet frantically for quick and affordable 1984 Jaguar XJS engine repairs. 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. Firestone Complete Auto Care offers both trustworthy and affordable engine repairs.

My 1984 Jaguar XJS Check Engine Light Is On

An illuminated check engine light on your Jaguar XJS is one of the first signs it's time to 'brake' for engine service. A steady or flashing check engine light could signal a serious issue with your fuel injection, Potential causes may include a faulty oxygen sensor, bad spark plug, a clogged catalytic converter, or an engine vacuum leak, to name a few potential sources. Bring your XJS in for an on-board diagnostic check and we’ll figure out why that check engine light is giving you grief. rattling sounds, essential fluid leaks, or a sinking feeling that something’s wrong.

Jaguar XJS Engine Repair

When your Jaguar XJS engine needs repairs, our technicians will make sure you understand what’s going on before they start working on your engine. We don't start working until we have your approval. If a service can wait, we’ll make sure you know. We'll also tell you if it's necessary for your safety. We seek to give you all the info you need to make a smart decision about our services. By choosing Firestone Complete Auto Care for XJS engine repairs and you can feel confident knowing that we use Jaguar-approved parts and components like the timing chain or belt, motor oil seal, ignition coil, or another part.

Questions About 1984 Jaguar XJS Engines

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. This is just your XJS testing its circuits. The light should turn off in a bit, but come see us if it doesn't.
Are Jaguar XJS engine noises bad? Strange under-the-hood noises can point to problems within your Jaguar XJS engine. Knocking or tapping could be a symptom of low oil. A high-pitched whistle could signal an intake leak or misaligned belt. Squealing may be caused by 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 hurt your engine. These habits include driving on an empty fuel tank, revving your engine while the vehicle is 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? 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 can cause the engine in my XJS to suddenly stop? If your XJS car engine suddenly stops, it could be due to overheating, low fuel, a faulty ignition system, sensor problems, electrical system trouble, or mechanical issues.
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.