Does the Toyota Previa fail the MOT on noise, emissions and leaks more than it should?
The Toyota Previa records 15.11 noise, emissions and leaks failure items per 100 initial MOT tests (2019–2024), against 9.10 expected for a car of the same age mix: more than expected for its class and age (+6.01, 95% interval +5.63 to +6.38). It ranks 24 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 Toyota Previa by registration
What exactly fails on noise, emissions and leaks?
The most frequent DVSA defect wording in this group on the Toyota Previa is “Engine MIL illuminated indicating a malfunction”, recorded 1,453 times in 2019–2024.
| DVSA defect wording | Items | Per 100 tests |
|---|---|---|
| Engine MIL illuminated indicating a malfunction | 1,453 | 3.55 |
| Lambda coefficient outside the default limits or the range specified by the manufacturer | 1,281 | 3.13 |
| Emissions levels exceed default limits | 1,200 | 2.93 |
| Emissions test unable to be completed | 694 | 1.69 |
| Emissions levels exceed the manufacturer's specified limits | 478 | 1.17 |
Source: DVSA MOT bulk data (OGL v3.0) · Window: 2019–2024 · n = 40,983 (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 Toyota Previa gets a noise, emissions and leaks advisory, how often does it fail next time?
14.0% of Toyota Previa MOTs with a noise, emissions and leaks advisory were followed by a fail in the same group at the next MOT, typically 12.1 months and 5,164 miles later (5,646 advisories followed).
Source: DVSA MOT bulk data (OGL v3.0) · Window: 2019–2024 · n = 5,646 (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
Toyota Previa 1998 · Toyota Previa 1999 · Toyota Previa 2000 · Toyota Previa 2001 · Toyota Previa 2002 · Toyota Previa 2003 · Toyota Previa 2004 · Toyota Previa 2005 · Toyota Previa 2006 · Toyota Previa 2007 · Toyota Previa by postcode area · Toyota Previa body, chassis and structure failures · Toyota Previa brakes failures · Toyota Previa vehicle identification failures · Toyota Previa lamps, reflectors and electrics failures · Toyota Previa road wheels failures · Toyota Previa seat belts and airbags failures · Toyota Previa steering failures · Toyota Previa suspension failures · Toyota Previa tyres failures · Toyota Previa visibility failures