2009 Toyota Yaris 1.0L Petrol · DF09 GFX

The latest MOT test in February 2026 resulted in a pass, though it carried multiple advisories that mirror those from the failed test two days prior, indicating no immediate rectification of underlying issues. The history shows a pattern of recurring advisories, particularly concerning exhaust leaks, underbody and suspension mounting corrosion, and worn suspension bushes, which suggests a gradual decline in structural and mechanical condition rather than a stable or improving trend. The persistence of these advisories over several years points to deferred maintenance that, while not yet critical, will likely require attention in the near term to prevent deterioration into failure points. At 49,502 miles over 17 years, the Yaris has covered an exceptionally low annual average of around 2,912 miles, which strongly suggests prolonged periods of inactivity or very light use. Such low mileage can be as problematic as high mileage, as standing time accelerates issues like fluid degradation, seal hardening, and corrosion in brake lines, fuel pipes, and exhaust systems. The lack of regular mechanical exercise may also contribute to the observed corrosion in prescribed areas and the repeated exhaust leaks, as moisture and debris accumulate without being dispersed by frequent use. The recurring advisories for suspension arm bushes on both front sides, noted as early as 2021, warrant close inspection for excessive play or clunking noises over bumps, as these components will eventually require replacement to maintain precise handling and tyre wear. The minor exhaust leaks, consistently flagged since 2020, should be checked for hissing or ticking noises from the rear of the vehicle, particularly when cold, and may indicate a failing back box or joint that could worsen and affect emissions. The corroded fuel and brake pipes, especially those covered in grease, must be examined for pitting or weakening, as these are safety-critical and could fail under pressure. Additionally, the corroded suspension mounting areas and sills, though currently deemed not excessive, should be probed for rust scaling or structural weakness, as these can compromise the car’s integrity over time. Given the vehicle’s age and low mileage, a thorough inspection should also cover time-based degradation items often overlooked. Check the 12V battery health, as prolonged standing can lead to sulphation and reduced capacity, and assess the condition of all tyres for sidewall cracking or perishing due to age, regardless of tread depth. Brake discs may exhibit surface corrosion or binding calipers from infrequent use, so listen for dragging noises and feel for uneven braking. Finally, verify service history for timely fluid changes—engine oil, coolant, brake fluid, and transmission fluid—all of which degrade with time, not just mileage, and are critical to the long-term reliability of a car that has spent more time stationary than on the road.