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Jaguar XJ - 1997

325.6 faults per 100 tests
Year average for all cars of 1997 is 338.4 faults per 100 tests
Dataset: MOT tests in Great Britain (period: 2024-01-01 to 2025-09-10) for Jaguar XJ, model year 1997. Sample size: 776 cars, 1,520 tests and 4,949 recorded faults.
0%
Less faults compared to the average car of same model year

Quick summary

Total: 776 cars

The 1997 Jaguar XJ has an overall defect rate of 326 per 100 vehicles, which is slightly better than the yearly average of 335 per 100, showing a 2.7% improvement. This model notably excels in categories such as brakes, steering, visibility, lights, and equipment, all of which have significantly lower defect rates compared to the average for the same year. However, it performs worse in the wheels, suspensions, and axles category, with a defect rate that is 39% higher than the average. Mileage data indicates that defect rates increase with age, particularly in the higher mileage brackets.

Cars by mileage segment

Total: 776 cars

Categories

Brakes
▲ 28.6% better
100.7 faults / 100 tests
Year avg: 141.1 / 100 tests
  • Brake pipe damaged or excessively corroded
  • Flexible brake hose: excessively damaged, deteriorated, chafed, twisted or stretched
  • Brake lining or pad: worn below 1.5mm
  • Brake disc or drum: insecure, fractured or otherwise likely to fail
  • Brake hose ferrules: excessively corroded
Steering
▲ 25.5% better
20.4 faults / 100 tests
Year avg: 27.4 / 100 tests
  • Power steering fluid leaking or system malfunctioning
  • A steering ball joint: with excessive wear or free play
  • Power steering pipe, hose or wiring: excessively damaged or corroded
  • Steering rack gaiter or ball joint dust cover: damaged or deteriorated
  • Power steering fluid leaking or system malfunctioning
Visibility
▲ 37.3% better
15.8 faults / 100 tests
Year avg: 25.2 / 100 tests
  • Windscreen or window damaged or seriously discoloured: but not adversely affecting driver’s view
  • Wiper blade: missing or obviously not clearing the windscreen
  • Windscreen washers not working or not providing sufficient fluid to clear the windscreen
  • Wiper blade: defective
  • Obligatory mirror or device: slightly damaged or loose
Lights & Electrics
▲ 37.9% better
40.7 faults / 100 tests
Year avg: 65.5 / 100 tests
  • A rear registration plate lamp or light source missing or inoperative: when rear registration plate has 2 or more lamps or light sources
  • Lamp: missing, inoperative or in the case of a multiple light source more than a half not functioning
  • A headlamp: missing, inoperative or more than ½ not functioning in the case of LED
  • Lamp emitted colour, position or intensity not in accordance with the requirements
  • The aim of a headlamp is not within limits laid down in the requirements
Wheels & Suspension
▼ 38.2% worse
346.4 faults / 100 tests
Year avg: 250.7 / 100 tests
  • A wheel bearing: with excessive play
  • A tyre: with a lump, bulge or tear … or with cords exposed or damaged
  • A spring: or spring component fractured or seriously weakened
  • A suspension pin, bush, joint or bearing: excessively worn
  • The strength or continuity of the load bearing structure within 30cm … is significantly reduced or inadequately repaired
Body/Structure
▲ 23.7% better
63.9 faults / 100 tests
Year avg: 83.8 / 100 tests
  • Vehicle structure corroded to the extent that: the rigidity of the assembly is significantly reduced
  • Vehicle structure corroded to the extent that: the rigidity of the assembly is significantly reduced
  • Body, cab or chassis: excessively corroded at mounting points
  • Exhaust system has a major leak or is insecure
  • A transmission: joint, belt or chain excessively worn
Equipment
▲ 51.1% better
10.8 faults / 100 tests
Year avg: 22.1 / 100 tests
  • is significantly reduced or The strength or continuity of the load bearing structure within 30cm of any seat belt anchorage (a ’prescribed area’): inadequately repaired
  • A seat belt: webbing or flexible stalk significantly stretched or weakened
  • is significantly reduced or The strength or continuity of the load bearing structure within 30cm of any seat belt anchorage (a ’prescribed area’): inadequately repaired
  • Seat belt buckle missing, damaged or not functioning as intended
  • A seat belt: or flexible stalk damaged
Other
▲ 14.4% better
52.2 faults / 100 tests
Year avg: 61.0 / 100 tests
  • Emissions levels exceed default limits
  • Emissions test unable to be completed
  • Fluid: leaking excessively and likely to harm the environment or to pose a safety risk to other road users
  • Lambda coefficient outside the default limits or the range specified by the manufacturer
  • Emissions levels exceed the manufacturer’s specified limits

Fault rate by mileage segment

Model    Year average
0 535 0–31,000 mi 31,000–62,000 62,000–93,000 93,000–124,000 124,000+
* Metric: faults per 100 tests.

Most common faults (Top 10)

A spring: or spring component fractured or seriously weakened
ADVISORY
Occurrences: 440
A wheel bearing: with excessive play
ADVISORY
Occurrences: 346
A suspension pin, bush, joint or bearing: excessively worn
ADVISORY
Occurrences: 326
Fluid: leaking excessively and likely to harm the environment or to pose a safety risk to other road users
ADVISORY
Occurrences: 271
A tyre: with a lump, bulge or tear … or with cords exposed or damaged
ADVISORY
Occurrences: 268
The strength or continuity of the load bearing structure within 30cm … is significantly reduced or inadequately repaired
ADVISORY
Occurrences: 247
A suspension component: excessively damaged or corroded
ADVISORY
Occurrences: 238
Tyre tread depth not in accordance with the requirements
ADVISORY
Occurrences: 200
Brake pipe damaged or excessively corroded
ADVISORY
Occurrences: 179
Vehicle structure corroded to the extent that: the rigidity of the assembly is significantly reduced
ADVISORY
Occurrences: 169

Serious faults (Top 10)

The strength or continuity of the load bearing structure within 30cm … is significantly reduced or inadequately repaired
FAIL
Occurrences: 69
Vehicle structure corroded to the extent that: the rigidity of the assembly is significantly reduced
FAIL
Occurrences: 59
Emissions levels exceed default limits
FAIL
Occurrences: 44
Parking brake efficiency: below minimum requirement
FAIL
Occurrences: 31
A spring: or spring component fractured or seriously weakened
FAIL
Occurrences: 30
is significantly reduced or The strength or continuity of the load bearing structure within 30cm of any seat belt anchorage (a ’prescribed area’): inadequately repaired
FAIL
Occurrences: 29
A suspension pin, bush, joint or bearing: excessively worn
FAIL
Occurrences: 29
A suspension joint dust cover: missing or no longer prevents the ingress of dirt etc.
FAIL
Occurrences: 28
Lambda coefficient outside the default limits or the range specified by the manufacturer
FAIL
Occurrences: 26
Lamp: missing, inoperative or in the case of a multiple light source more than a half not functioning
FAIL
Occurrences: 25