1998 Jaguar XJ8: common problems
Owners of the 1998 Jaguar XJ8 filed 83 complaints with NHTSA, most often about engine and cooling and powertrain. Details by component below, with sources.
Key figures
- Owner complaints
- 83
- involving a crash
- 3
What fails most often
- 1 Engine and cooling 42% of all complaints
- 2 Powertrain 17% of all complaints
- 3 Vehicle speed control 16% of all complaints
- 4 Electrical system 13% of all complaints
- 5 Fuel system 6% of all complaints
- 6 Engine 4% of all complaints
- 7 Seats 4% of all complaints
- 8 Suspension 4% of all complaints
- Engine and cooling: 35 complaints (42% of all), 1 of them with a crash reported by the owner.
- Powertrain: 14 complaints (17% of all).
- Vehicle speed control: 13 complaints (16% of all), 1 of them with a crash reported by the owner.
- Electrical system: 11 complaints (13% of all).
- Fuel system: 5 complaints (6% of all).
Symptoms owners describe
How many of the 83 NHTSA complaints mention each symptom (automatic count from complaint text; one complaint can mention several).
Components owners complain about
| Component | Owner complaints | involving a crash | Technical service bulletins (TSB) |
|---|---|---|---|
| Engine and cooling | 35 | 1 | 0 |
| Powertrain | 14 | 0 | 0 |
| Vehicle speed control | 13 | 1 | 0 |
| Electrical system | 11 | 0 | 0 |
| Fuel system | 5 | 0 | 0 |
| Engine | 3 | 0 | 0 |
| Seats | 3 | 0 | 0 |
| Suspension | 3 | 0 | 0 |
| Air bags | 2 | 0 | 0 |
| Visibility | 2 | 0 | 0 |
| Electronic stability control | 1 | 0 | 0 |
| Equipment | 1 | 0 | 0 |
| Exterior lighting | 1 | 0 | 0 |
| Service brakes | 1 | 0 | 0 |
What owners report
Short excerpts of NHTSA complaints in the original wording. These are owner statements not verified by NHTSA; personal data removed.
Tl* - the contact's stated the vehicle was purchased on august 30th 2006, and had problems with loss of power. The vehicle lost power about 100 times while driving65 mph. The contact took the vehicle to the local jaguar dealer for a check up. The dealer informed him that they did not know the cause of the failure.
The contact stated that while driving at various speeds or at a stand still, the gears failed to engaged properly wit the fuel injector, power train, transmission warning lights illuminated and the vehicle stalled.
Secondary timing chain broke destroyed the entire assembly in addition to engine damage
X303-68 , but it states if you haera a rattling noise, however it also states you may not hear a rattling noise, my car did not, and out of no where , thengine stopped running due to this design flaw, that has been updated. In fact, this effect every single 4.0 engine, that's millions!
The contact stated that the vehicle would stall without warning when driving at higher speeds of approximately 75 mph. The check engine warning light would illuminate after the failure occurred. The vehicle was not inspected or repaired. The failure mileage was 98,000 and the current mileage was 101,000.
While traveling 20 mph, the contact noticed that the transmission fault warning light was illuminated. Moments later, the vehicle slightly hesitated before accelerating. The vehicle was not diagnosed or repaired. The current and the failure mileage was 74,000.
Engine stall at high speed on highway, notice there has been recall on this before. Just purchase the car and check it out carfax and no mention this car was taking in for this recall can I still respond to this recall and how? [xxx] information redacted pursuant to the freedom of information act (foia), 5 u.s.c.
As I turned to exit the car the air bag in the drivers seat deployed striking me in the left shoulder and knocking me into the car.
When owners complained
NHTSA complaints by filing year. The peak shows at what age the problems show up most.
Comparison
By complaint count this model year ranks 3,991 of 36,656 model years in the NHTSA data (top 11% most complained about).
On average one model year of the XJ8 has 22 complaints (8 years in the data). This year has 83, above average.
What to check before buying
- Engine and cooling. Radiator and fan after a frontal hit, coolant level and condition, overheating.
- Powertrain. Shift quality under load, harsh shifts, transmission codes, CV joints.
- Vehicle speed control. Accelerator pedal, cruise control, throttle codes.
- Electrical system. Scan all modules, test the battery and alternator, inspect connectors near the impact zone.
Other years of this model
Questions and answers
What are the most common problems with the 1998 Jaguar XJ8?
Owner complaints to NHTSA most often mention: engine and cooling, powertrain, vehicle speed control. Total complaints: 83. The most frequent symptoms in complaint texts: stalls while driving (45%), warning lights, check engine (7%), knocking, grinding or other noise (6%).
How many service bulletins (TSB) were issued for the 1998 Jaguar XJ8?
NHTSA lists 0 manufacturer service bulletins for this year. A bulletin tells dealers how to diagnose or fix a known issue; it is not a recall.
Should I buy a 1998 Jaguar XJ8 from a US auction?
Owner complaints describe defects, not crash damage. Before bidding, check the components listed above and review the lot photos: VinWind builds a report of visible and hidden damage by VIN.
Other 1998 models
Read also
Sources: public NHTSA data (USA): service bulletins and owner complaints; YouTube: links to videos credited to their authors. Complaints are owner statements not verified by NHTSA, and describe defects rather than crash damage. Data updated 2026-11-05.