1998 Jaguar XJ8LRecalls, problems, MPG & safety
NHTSA lists 0 safety recalls and 15 owner complaints for the 1998 Jaguar XJ8L. Most complaints involve engine and engine cooling (7) and power train (3). The EPA rates it 18 mpg combined.
Safety recalls
Owner complaints by component
- Engine and engine cooling7
- Power train3
- Fuel system, gasoline2
- Vehicle speed control1
- Engine1
- Electrical system1
- Exterior lighting1
- Suspension1
- Structure1
Complaints are unverified owner reports to NHTSA and are not normalized for sales volume. One complaint can cite several components.
What owners report most
Engine and engine cooling
“MY 1998 JAGUAR XJ8L KEEPS STALLING AT HIGHWAY SPEEDS, VERY VERY DANGEROUS. I AM ALMOST IN AN ACCIDENT ON 95 EVERYTIME THIS HAPPENS. THE DEALER HAS SAID IT IS A DIRTY THROTTLE THAT MAY BE CAUSING THIS, BUT EVEN AFTER SERVICING IT JUST STARTS UP AGAIN...AFTER INVESTIGATING HERE ON THE WEB I HAVE FOUND THAT THIS IS A COMMON PROBLEM THAT NEEDS TO BE ADDRESSED. I BELIEVE THIS IS WHAT HAPPENED TO ME BACK ON SEPTEMBER 2004, WHEN MY ENGINE JUST COMPLETELY FROZE UP ON 95 AND HAD TO REPLACE IT AT A COST OF $15,874.00. THIS NEED TO BE ADDRESSED AND A RECALL SHOULD BE POSTED FOR THESE VEHICLES BEFORE SOMEONE GETS KILLED. I HAVE A SNEAKY FEELING THAT THIS IS STARTING ALL OVER AGAIN WITH THE ENGINE STALLING AND NOW I ONLY HAVE 13,000 MILES ON MY NEW ENGINE. PLEASE HELP! *TR”
Power train
“THIS IS A SECOND ENTRANCE FOR THIS COMPLAINT. THE FIRST ENTRANCE WAS A MISTAKE DUE TO WRONG DATE OF PURCHASE. THE VEHICLE WAS PURCHASED IN APRIL 2005. I AM THE THIRD OWNER OF THE VEHICLE. I HAVE A CARFAX WITH THE VEHICLES HISTORY. I DID HAVE A PASSENGER AT THE TIME OF THE FAILURE AND ALMOST HAD A WRECK. THE FAILURE OCCURRED AT AN INTERSECTION. MY PASSENGERS COMPLAINED OF A STRAINED NECK POSSIBLY WHIPLASH? ANYWAY THE DESCRIPTION IS LISTED BELOW: I OWN A 1998 XJ8L. RECENTLY, MY TRANSMISSION WENT OUT IN THE VEHICLE. I ONLY HAVE 72,500 MILES ON THIS VEHICLE. I CONTACTED JAGUAR AND EXPLAINED THE SITUATION TO THEM. THEY STATED THAT THIS IS HIGH MILEAGE. I EXPLAINED TO THEM THAT NO IT IS NOT HIGH MILEAGE ENGINES ARE BUILT TO LAST 100,000 MILES. I STATED THAT JAGUAR IS NOT WANTING TO ISSUE A RECALL ON THESE TRANSMISSIONS. THERE IS A RECALL R478. IT COVERS THE O RING INSIDE THE TRANSMISSION. THE TEETH BREAK AND CAUSE THE TRANSMISSION TO FAIL. THIS IS WHAT HAPPENED TO MY VEHICLE. AFTER DOING SOME RESEARCH IN VARIOUS FORUMS, I FOUND THAT THERE IS A LOT OF PEOPLE AFFECTED BY THIS RECALL. THE THREE OTHER ISSUES WITH THESE MODELS IS THE NAKESIL ENGINE, AND THE SERPENTINE…”
Fuel system, gasoline
“RELATED TO JAGUAR SERVICE ACTION PUBLICATION NUMBER 303-S514, "THROTTLE CLOSED POSITION OPERATION" THIS IS A KNOWN DEFECT FOR JAGUAR. IN THE JAGUAR SERVICE BULLETIN, JAGUAR STATES "UNDER EXCEPTIONAL CIRCUMSTANCES THIS CONCERN COULD CAUSE THE ENGINE TO CUT OUT... THE ENGINE SHOULD RESTART WITHOUT DIFFICULTY ONCE THE VEHICLE HAS COME TO A COMPLETE STANDSTILL." THERE HAVE BEEN NUMEROUS COMPLAINTS REPORTED AS A RESULT OF THIS "COMPLETE STANDSTILL" HAPPENING ON MAJOR MOTORWAYS WHERE THE FLOW OF TRAFFIC IS IN EXCESS OF 60MPH. MY 1998 JAGUAR XJ8L HAS HAD THE SERVICE ACTION PERFORMED, WHICH REPLACED THE ORIGINAL THROTTLE BODY ASSEMBLY WITH THE EXACT SAME THROTTLEBODY FROM THE SAME VENDOR. THE NEW PARTS USED FOR THE REPLACEMENT IS THE SAME ONE THAT FAILS, IT IS DEFECTIVE AND ONLY COMES WITH A ONE YEAR WARRANTY. THE CAR IS STALLING AGAIN, AND JAGUAR REFUSED TO PAY FOR THE REPAIR. ON MONDAY MORNING, MARCH 17, 2008 WHILE DRIVING TO WORK, MY CAR RECENTLY STALLED WHILE HEADING ON I-35N THROUGH AUSTIN TEXAS, AT WHICH TIME THE TRAFFIC VOLUME WAS HEAVY AND THE FLOW OF TRAFFIC WAS NEAR 70 MPH, AND I WAS FORCED TO MAKE AN EMERGENCY EXIT FOR A CONSTRUCTION BARRICADE. IN DOING…”
Engines, transmissions & drive
- EPA class
- Midsize Cars
- Engines
- 4.0L 8-cyl
- Transmissions
- Automatic 5-spd
- Drive
- Rear-Wheel Drive
- Fuel
- Premium Gasoline
Towing, payload and dimensions aren’t in the EPA or NHTSA data, so we don’t list them.
EPA fuel economy by version
| Version | City | Hwy | Comb. | Fuel / yr | CO₂ g/mi |
|---|---|---|---|---|---|
| XJ8L Auto 5-spd, 8 cyl, 4.0 L · Rear-Wheel Drive | 15 | 22 | 18 | $4,400 | 494 |
- 18mpg comb.
NHTSA 5-Star Safety Ratings
Maintenance basics
| Item | Miles | Time | Note |
|---|---|---|---|
| Engine oil & filter | 5,000–10,000 mi | 6–12 months | Follow the oil-life monitor if fitted |
| Tire rotation | 5,000–7,500 mi | Every oil change | Check pressure monthly |
| Engine air filter | 15,000–30,000 mi | 1–2 years | Sooner in dusty areas |
| Cabin air filter | 15,000–25,000 mi | 1–2 years | |
| Brake fluid | — | 2–3 years | Absorbs moisture over time |
| Coolant | 60,000–100,000 mi | 5–10 years | Long-life coolants last longer |
| Spark plugs | 60,000–100,000 mi | — | Iridium/platinum plugs at the long end |
| 12V battery | — | 3–5 years | Heat shortens battery life |
- Engine oil & filter5,000–10,000 mi
6–12 months - Tire rotation5,000–7,500 mi
Every oil change - Engine air filter15,000–30,000 mi
1–2 years - Cabin air filter15,000–25,000 mi
1–2 years - Brake fluid—
2–3 years - Coolant60,000–100,000 mi
5–10 years - Spark plugs60,000–100,000 mi
— - 12V battery—
3–5 years
1998 XJ8L questions
How many recalls does the 1998 Jaguar XJ8L have?
0 recalls found in NHTSA data as of Oct 30, 2026.
What are the most common 1998 Jaguar XJ8L problems?
Owners filed 15 complaints with NHTSA. The most-cited components are engine and engine cooling (7), power train (3), fuel system, gasoline (2). Complaints are unverified owner reports and aren't adjusted for how many cars were sold.
What MPG does the 1998 Jaguar XJ8L get?
The EPA rates the 1998 Jaguar XJ8L at 18 mpg combined, depending on engine and drivetrain (1 version rated).