2016 Ford Fiesta 1.5L Diesel · CV16 DFK

A chronic nearside front suspension arm ball joint defect has now appeared on three consecutive tests, having been first flagged in September 2023 and recorded again at the September 2024 retest before resurfacing as an advisory at the most recent pass on 5 September 2025. The persistence of this advisory across multiple inspections, even when the test outcome is a pass, indicates a wearing joint that has not been renewed and will likely progress toward a failure point in the near term. Compounding this suspension concern, the vehicle suffered a major failure on 20 September 2024 when exhaust emissions could not be completed because smoke levels were significantly above the permitted limit, an issue that was resolved the following day to secure a pass. Aside from this emissions event, the broader record shows a stable pattern with a clean pass in 2022, brake wear advisories on the front discs and pads in 2023 that have since cleared, and minor tyre advisories on the rear wheels over the past two tests. With 126,421 miles accumulated over approximately a decade of use, this Fiesta is running at around 12,600 miles per year, which sits well above the typical annual mileage for a supermini of this age. This elevated accumulation rate is mechanically significant because higher-mileage Fiestas of this generation tend to show accelerated wear on suspension bushes, lower arm joints, clutch assemblies, and engine ancillaries such as the dual-mass flywheel or water pump. The MOT history shows no extended testing gaps, suggesting the vehicle has been in continuous road use rather than laid up, which generally means fewer issues from seized components but a greater likelihood of wear-related defects on consumable and structural items. The fact that the emissions major occurred against a backdrop of otherwise consistent testing supports the view that this is a working high-mileage car rather than one that has suffered neglect through standing. For a prospective buyer, the nearside front suspension arm ball joint should be the primary inspection focus, as it has been an advisory at three straight tests and is now the most likely candidate for imminent failure. On a test drive, listen for a clonking or knocking noise from the front suspension over speed bumps, uneven road surfaces, and during full-lock manoeuvres, and pay particular attention to whether the steering feels vague or imprecise when turning into a corner, both of which would indicate the play has worsened since the last advisory. Jack the front nearside wheel off the ground if possible and attempt to rock it top to bottom and side to side with the tyre gripped at twelve and six o clock, feeling for any looseness or clunking from the hub area that would confirm the joint has deteriorated past advisory threshold. Brake condition should also be physically verified despite the 2023 advisories having cleared, given the higher-than-average mileage and the typical wear pattern on Fiesta front discs and pads. On test, press the brake pedal firmly at low speed to check for any judder or vibration through the steering wheel that would suggest disc warping, and listen for any scraping or grinding noise that would indicate pads running low. Finally, given the September 2024 emissions failure for excessive smoke, insist on a cold-start observation and a short drive followed by immediate re-examination of the exhaust, as blue or grey smoke under acceleration would point to turbo or piston ring wear, while persistent black smoke could indicate fuelling or sensor faults. The 2024 tyre cut and nail advisories are routine and should simply be confirmed as properly repaired before purchase.