Why does my XJ12’s check engine light come on when I start it?

It’s usually normal for your check engine light to turn on upon ignition. It’s just your XJ12 firing up 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 under-the-hood noises can point to problems within your Jaguar XJ12 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 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 XJ12 engine?

Certain driving habits can hurt your engine. These habits include driving on an empty fuel 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.

Is it okay to put water in my Jaguar XJ12 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 a XJ12 engine to suddenly stop?

Your XJ12 car engine could stop suddenly due to low fuel, electrical issues, overheating, a faulty ignition system, mechanical troubles, or sensor problems.

Who repairs Jaguar XJ12 engines?

For Jaguar XJ12 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 1996 Jaguar XJ12

Learn about

1996 Jaguar XJ12 Trim Options

Select your Jaguar XJ12 trim level to learn more about Jaguar-recommended engine repair. Even Jaguar XJ12 parts will get older and change.

V12/6.0L

Jaguar XJ12 Repairs and Services

Nothing stays the same forever. Even your Jaguar XJ12's many parts and pieces. When something breaks or fails, we’re ready to help. Click on a repair below to learn more about 1996 Jaguar XJ12 repairs.

We Know Jaguar XJ12 Engines

Jaguar XJ12 engines are known for their reliability. That might be why you bought it in the first place. However, the wear-proof engine has yet to be invented! Sometimes plans go sideways. If the unexpected strikes, you may search the internet frantically for quick and affordable 1996 Jaguar XJ12 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 XJ12 engine will be in good hands. Schedule an appointment if you're experiencing problems that could require engine repair. Firestone Complete Auto Care offers both trustworthy and affordable engine repairs.

Check Engine Light on 1996 Jaguar XJ12

As soon as your XJ12 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 or emission control system that won’t go away on its own. Potential causes may include a faulty oxygen sensor, damaged spark plug, issues with your catalytic converter, or a leaking engine vacuum, to name a few potential sources. Bring your XJ12 in for an on-board diagnostic check and we’ll figure out why that check engine light is giving you grief. Other signs it's time for Jaguar XJ12 engine service might include essential fluid leaks, or a sinking feeling that something’s wrong.

1996 XJ12 Engine Services

If your 1996 Jaguar XJ12 needs engine repair, our technicians will make sure you understand what’s going on before they start working on your engine. We never do any work without your sign-off. 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 XJ12 engine repairs and you can feel confident knowing that we use Jaguar-approved parts and components like the timing belt, valve guide seal, ignition coil, or other parts.

Questions About 1996 Jaguar XJ12 Engines

Why does my XJ12’s check engine light come on when I start it? It’s usually normal for your check engine light to turn on upon ignition. It’s just your XJ12 firing up 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 under-the-hood noises can point to problems within your Jaguar XJ12 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 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 XJ12 engine? Certain driving habits can hurt your engine. These habits include driving on an empty fuel 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.
Is it okay to put water in my Jaguar XJ12 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 a XJ12 engine to suddenly stop? Your XJ12 car engine could stop suddenly due to low fuel, electrical issues, overheating, a faulty ignition system, mechanical troubles, or sensor problems.
Who repairs Jaguar XJ12 engines? For Jaguar XJ12 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.