1994 Jaguar XJ12 Engine cooling Problems
- Complaints
- 4about this part
- Share
- 40%of 10 total for the year
- Median mileage
- 63,000miles
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA recorded 4 complaints about the engine cooling of the 1994 Jaguar XJ12, 40% of the 10 complaints for this model year. Where a mileage was given, the median is 63,000 miles. 1 a fire, according to the filers.
Fewer than 15 complaints name this part, so treat the figures as a rough indication only.
Example complaints
Selected from NHTSA records; personal details are removed. They are consumer reports, not findings.
“This is a 12 cylinder engine with only 6 cylinders working. This caused unburned fuel and air to be pumped into the fuel exhaust system, which then overheated the catalytic converter and started a fire. Dealer has been contacted.”
NHTSA complaint #852785, filed 1999-11Related service bulletins
- 10011828Sep 1, 1995Engine oil pressure incorrect low oil pressure warning repair procedure. This service bulletin replaces 8820 dated 01/95.
- 10011841Jul 1, 1995Intermittent high idle replace throttle return springs.
- 10011853Feb 1, 1995Coolant expansion tank seam weld leaks service action s451.
- 10011896Jul 1, 1994Pdu 1001 software error does not recognize v12 6.0l diagnostic trouble code 67.
Engine cooling: other model years
| Year | Complaints | Share of year |
|---|---|---|
| 1994 | 4 | 40% |
Other parts of the 1994 Jaguar XJ12
3 complaintsVehicle speed control
3 complaintsElectrical system
2 complaintsSuspension
2 complaintsFuel system
1 complaintsTransmission and drivetrain
1 complaints
← All problems reported for the 1994 Jaguar XJ12
About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 31, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.
To check a specific vehicle for open recalls, use its VIN at nhtsa.gov/recalls. Methodology