2003 Jaguar X-Type 2.5L Petrol · MJ03 AAV

The vehicle is currently roadworthy but exhibits a concerning trend of unresolved engine management and emissions related issues. While it passed the most recent test in October 2025 at 31,611 miles, it had failed just two days prior due to high carbon monoxide emissions. The recurring failure for exhaust emissions across both 2024 and 2025 indicates a persistent combustion issue or a faulty sensor that the owner has failed to fully rectify despite multiple re-tests. The mileage profile is exceptionally low for a 23-year-old vehicle, averaging approximately 1,374 miles per year. The data shows very little movement between tests, with only 329 miles recorded between October 2024 and October 2025. While this low usage suggests less wear on the drivetrain and suspension components, the long periods of likely inactivity often lead to the degradation of rubber-based parts, perished seals, and fluid-related Faults, which may align with the persistent engine oil leaks and engine-related failures noted in the records. A physical inspection must focus on the engine's health and the braking system. The engine oil leak noted in 2024 and 2025 requires a close look to determine if it is a simple gasket or a more significant seal failure. Furthermore, the front brake pads were flagged as wearing thin in 2023 and again in 2025, suggesting a reactive approach to maintenance rather than proactive preventative care. The buyer should also verify the oxygen sensors and catalytic converter function, as the repeated carbon monoxide failures point to an inefficiency in the fuel-air mixture that remains unaddressed after two years.