What happens if my Jaguar XJS spark plugs fail?

When it’s time to replace the spark plugs, don’t delay. These small (but vital!) parts provide the electric spark that your car needs in order to start, and old spark plugs can prevent your car from starting at all. Replace spark plugs on time or about every 30,000 miles or so.

What does a puddle underneath my Jaguar XJS mean?

Puddles could indicate an oil leak, coolant leak, or brake fluid leak– all of which can critically hurt your engine. Have your engine inspected as soon as you spot a pool of liquid in your usual parking spot.

What do hard starts and stops do to my XJS engine?

You can make your driving habits more engine-friendly. Hard starts and stops can increase the stress on engine parts, especially over many years. Boost your fuel economy and care for your engine by using gradual, smooth starts and stops instead.

Where can I have a Jaguar XJS tune-up done?

At the nearest Firestone Complete Auto Care! We’re ready to help service, maintain, and repair your Jaguar XJS.

How frequently do the fuel injectors in my Jaguar XJS need to be cleaned?

Factors like fuel type and driving conditions can affect how frequently you need to clean your XJS fuel injectors. Some manufacturers recommend a fuel system cleaning as part of routine maintenance, or as needed if your vehicle is showing signs of poor fuel system performance.

Who can I go to for Jaguar XJS tune-ups?

When your XJS needs a tune-up, head to your local Firestone Complete Auto Care. Check out our latest offers to save on your service and schedule an appointment online.

1991 Jaguar XJS Engine Tune-Ups & Maintenance

Get a Tune-Up

Schedule an Appointment for Your Jaguar XJS Tune-Up

Tune in to tune up. Listen to your XJS and schedule an engine tune-up at the first strange squeak, clunk, or click. Make an appointment today.

Schedule an Appointment

Tune Into Your Jaguar XJS

Is it time for an engine tune-up? If you usually wait until your car has an issue to take it in for service, it could be time for a new way of doing things, especially if you drive a 1991 Jaguar XJS. Periodic tune-ups can bring more power back to your XJS’s engine. Tune-ups give your engine a boost in efficiency, which can lead to lower emission levels and better fuel economy. When you take your car for regular engine tune-ups as recommended by Jaguar, you can rest assured you’re investing in your XJS’s long-term engine performance.

Jaguar XJS Engine Tune-Up Services

Your local Firestone Complete Auto Care offers a range of engine tune-up services for your 1991 Jaguar XJS. One option is the standard Firestone Tune-Up. This includes the installation of new spark plugs and a visual inspection of your engine’s components, plus a lifetime warranty on parts*. The second service focuses on your XJS's filters, specifically replacing the air filter and fuel filter. The third tune-up option is a fuel system cleaning service, which is a three-step process that removes varnish, dirt, and carbon deposits on your XJS's fuel injectors, throttle body, and throttle plate. This goes a long way in boosting your fuel system’s overall performance. Here’s something to remember when choosing services: the mileage and service history of your XJS can determine what kind of service it needs. If you’re not sure what services are the best fit for your car, let us help! Chat with a Firestone technician before you jump into a specific service to ensure your engine tune-up money is well-spent.

Where Should I Go for My Jaguar XJS Tune-Up?

Come to Firestone Complete Auto Care for your next 1991 XJS engine tune-up. Follow Jaguar's recommended maintenance schedule or book an appointment as soon as you notice one of the following: shaking while the engine is idling, poor fuel economy, knocking noises in the engine, or a lit up check engine light on your dashboard.

*Check with a teammate at Firestone Complete Auto Care for complete terms and conditions regarding warranties.

Common Engine Tune-Up Q&A For 1991 Jaguar XJSs

What happens if my Jaguar XJS spark plugs fail? When it’s time to replace the spark plugs, don’t delay. These small (but vital!) parts provide the electric spark that your car needs in order to start, and old spark plugs can prevent your car from starting at all. Replace spark plugs on time or about every 30,000 miles or so.
What does a puddle underneath my Jaguar XJS mean? Puddles could indicate an oil leak, coolant leak, or brake fluid leak– all of which can critically hurt your engine. Have your engine inspected as soon as you spot a pool of liquid in your usual parking spot.
What do hard starts and stops do to my XJS engine? You can make your driving habits more engine-friendly. Hard starts and stops can increase the stress on engine parts, especially over many years. Boost your fuel economy and care for your engine by using gradual, smooth starts and stops instead.
Where can I have a Jaguar XJS tune-up done? At the nearest Firestone Complete Auto Care! We’re ready to help service, maintain, and repair your Jaguar XJS.
How frequently do the fuel injectors in my Jaguar XJS need to be cleaned? Factors like fuel type and driving conditions can affect how frequently you need to clean your XJS fuel injectors. Some manufacturers recommend a fuel system cleaning as part of routine maintenance, or as needed if your vehicle is showing signs of poor fuel system performance.
Who can I go to for Jaguar XJS tune-ups? When your XJS needs a tune-up, head to your local Firestone Complete Auto Care. Check out our latest offers to save on your service and schedule an appointment online.

1991 Jaguar XJS Maintenance

We know it’s not just a car, it’s your car. We’ll help you properly maintain your Jaguar XJS to keep it on the road and running smoothly. Learn more about maintenance below.

1991 Jaguar XJS Repair

Your Jaguar XJS runs best when it’s well cared for. Make sure it’s always in tip-top shape with repairs from Firestone Complete Auto Care. Learn more about 1991 Jaguar XJS repairs below.