MOT Risk Index.co.uk

Does the LTI TX4 fail the MOT on noise, emissions and leaks more than it should?

The LTI TX4 records 6.62 noise, emissions and leaks failure items per 100 initial MOT tests (2019–2024), against 3.25 expected for a car of the same age mix: more than expected for its class and age (+3.37, 95% interval +3.22 to +3.53). It ranks 61 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 LTI TX4 by registration

What exactly fails on noise, emissions and leaks?

The most frequent DVSA defect wording in this group on the LTI TX4 is “Engine MIL illuminated indicating a malfunction”, recorded 3,277 times in 2019–2024.

LTI TX4: most frequent noise, emissions and leaks defect wordings, 2019–2024 (30+ items each)
DVSA defect wordingItemsPer 100 tests
Engine MIL illuminated indicating a malfunction3,2773.19
Fluid leaking excessively and likely to harm the environment or to pose a safety risk to other road users1,5721.53
Smoke opacity levels exceed default limit4480.44
Exhaust on a vehicle fitted with a diesel particulate filter emits visible smoke of any colour3700.36
Smoke opacity levels exceed the manufacturer's specified limit3050.30

Source: DVSA MOT bulk data (OGL v3.0) · Window: 2019–2024 · n = 102,754 (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 LTI TX4 gets a noise, emissions and leaks advisory, how often does it fail next time?

8.6% of LTI TX4 MOTs with a noise, emissions and leaks advisory were followed by a fail in the same group at the next MOT, typically 6 months and 10,139 miles later (9,693 advisories followed).

Source: DVSA MOT bulk data (OGL v3.0) · Window: 2019–2024 · n = 9,693 (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

LTI TX4 2006 · LTI TX4 2007 · LTI TX4 2008 · LTI TX4 2009 · LTI TX4 2010 · LTI TX4 2011 · LTI TX4 2012 · LTI TX4 2013 · LTI TX4 2014 · LTI TX4 2015 · LTI TX4 2016 · LTI TX4 2017 · LTI TX4 by postcode area · LTI TX4 body, chassis and structure failures · LTI TX4 brakes failures · LTI TX4 vehicle identification failures · LTI TX4 lamps, reflectors and electrics failures · LTI TX4 road wheels failures · LTI TX4 seat belts and airbags failures · LTI TX4 steering failures · LTI TX4 suspension failures · LTI TX4 tyres failures · LTI TX4 visibility failures