Does the Volkswagen Fox fail the MOT on noise, emissions and leaks more than it should?
The Volkswagen Fox records 11.93 noise, emissions and leaks failure items per 100 initial MOT tests (2019–2024), against 5.87 expected for a car of the same age mix: more than expected for its class and age (+6.06, 95% interval +5.90 to +6.22). It ranks 23 of 678 models on noise, emissions and leaks (1 = most failures above expected).
Data release dvsa-2024-v2 (24 Sep 2026) · page updated 30 Sep 2026 · all models on noise, emissions and leaks · check a Volkswagen Fox by registration
What exactly fails on noise, emissions and leaks?
The most frequent DVSA defect wording in this group on the Volkswagen Fox is “Lambda coefficient outside the default limits or the range specified by the manufacturer”, recorded 7,830 times in 2019–2024.
| DVSA defect wording | Items | Per 100 tests |
|---|---|---|
| Lambda coefficient outside the default limits or the range specified by the manufacturer | 7,830 | 4.25 |
| Engine MIL illuminated indicating a malfunction | 3,503 | 1.90 |
| Emissions levels exceed default limits | 3,280 | 1.78 |
| Emissions test unable to be completed | 3,175 | 1.72 |
| An induction or exhaust leak that could affect emissions levels | 2,432 | 1.32 |
Source: DVSA MOT bulk data (OGL v3.0) · Window: 2019–2024 · n = 184,306 (initial tests) · Method: failure items (major and minor) grouped by DVSA's defect tree; wordings with 30+ items · Updated: 30 Sep 2026 · Release: dvsa-2024-v2 · CSV
If a Volkswagen Fox gets a noise, emissions and leaks advisory, how often does it fail next time?
13.4% of Volkswagen Fox MOTs with a noise, emissions and leaks advisory were followed by a fail in the same group at the next MOT, typically 12 months and 5,120 miles later (4,824 advisories followed).
Source: DVSA MOT bulk data (OGL v3.0) · Window: 2019–2024 · n = 4,824 (advisories followed) · Method: the same vehicles followed to their next ordinary MOT · Updated: 30 Sep 2026 · Release: dvsa-2024-v2 · CSV
Other pages for this model
Volkswagen Fox 2006 · Volkswagen Fox 2007 · Volkswagen Fox 2008 · Volkswagen Fox 2009 · Volkswagen Fox 2010 · Volkswagen Fox 2011 · Volkswagen Fox 2012 · Volkswagen Fox in the Netherlands · Volkswagen Fox by postcode area · Volkswagen Fox body, chassis and structure failures · Volkswagen Fox brakes failures · Volkswagen Fox vehicle identification failures · Volkswagen Fox lamps, reflectors and electrics failures · Volkswagen Fox road wheels failures · Volkswagen Fox seat belts and airbags failures · Volkswagen Fox steering failures · Volkswagen Fox suspension failures · Volkswagen Fox tyres failures · Volkswagen Fox visibility failures