2003 Subaru Outback 2.5L Petrol · PX03 EZF

Most recent MOT (16 April 2026 – FAIL, 116 744 mi) The car failed with a cluster of serious defects: the engine MIL light is inoperative, there is excessive oil leaking from the engine, a major leak in the nearside rear exhaust, an out‑of‑spec Lambda reading, and a fractured off‑side front brake disc. All of these are safety‑critical and would need immediate repair before the vehicle can be driven legally. Recurring mechanical pattern - Engine monitoring & oil – The MIL fault appears in every MOT from 2023 onward, and the oil leak has progressed from “not excessive” (2025) to “excessive” (2026). - Exhaust system – Minor rear‑exhaust leaks were recorded in 2023 and 2024; by early 2025 a major leak at the centre flange was noted, and in 2026 the nearside rear exhaust is leaking heavily with failed emissions readings. - Suspension & corrosion – Multiple suspension mounting points (rear inner, rear arm pins, anti‑roll bar linkages) are repeatedly described as corroded, with some areas flagged as “excessively corroded” and significantly weakening structural strength in 2025. The rear sub‑frame and front lower arm also show corrosion, albeit not yet deemed structurally critical. - Brakes – Thin front pads were flagged in early 2025, and the off‑side front disc has now fractured, indicating rapid deterioration of the braking system. Trend analysis The evidence points to a clear worsening trend. Minor leaks and mild corrosion in 2023‑2024 have escalated to major exhaust failures, excessive oil loss, a non‑functional MIL, and a broken brake disc by 2026. The pattern suggests that underlying corrosion and wear are accelerating rather than stabilising.