2011 Mazda MX-5 2.0L Petrol · AY60 GZR

A cluster of significant mechanical issues centered around exhaust emissions and rear suspension integrity disrupts an otherwise intermittent history of clean tests, culminating in a pass recorded on 2026-06-02. The trajectory shows a notable flare-up of major defects during the summer of 2025, when the car failed two consecutive tests within a month due to high idle speeds, excessive carbon monoxide, out-of-spec lambda readings, a minor back box exhaust leak, and a fractured nearside rear coil spring. Although these faults were subsequently rectified to secure the latest pass, the underlying pattern demands careful scrutiny of how the vehicle has been repaired and maintained over time. Accumulating 77,456 miles across roughly fifteen years yields an average of approximately 5,164 miles annually, representing a relatively low usage profile for this vintage. This modest rate of travel suggests the car has spent considerable periods parked or engaged in shorter journeys rather than enduring continuous high-mileage motorway commutes. Mechanically, low-mileage regimes of this nature can sometimes mask hidden wear patterns or accelerate thermal cycling stresses on exhaust and suspension hardware, particularly if the vehicle frequently operates below optimal working temperatures during short trips. Targeted inspection of the rear suspension is mandatory during your pre-purchase check, given the recurring advisories noted for the lower suspension arm pins and bushes on both the near and offside. On your test drive, listen closely for any dull knocking, clunking, or looseness from the rear axle when navigating potholes, speed bumps, or uneven road surfaces, and check for any rear-end tracking wander during cornering. You should also verify that the replacement coil springs sit correctly and that the rear suspension arms do not exhibit excessive play when loaded. The recent history of emission failures and lambda irregularities also requires a thorough check of the exhaust system, from the manifold down to the rear silencer box that previously showed gas leaks. Ensure the engine idles smoothly from cold start through to operating temperature without hesitating, and look beneath the vehicle for any signs of blowing joints or deteriorating gaskets. Confirming that the emissions components were permanently repaired rather than temporarily coaxed through an MOT test will be vital to ensuring ongoing compliance and smooth engine operation.