# Lambda coefficient outside the range 1 ± 0,03 or not in accordance with the manufacturer’s specification; — Vehicle inspection defect categories: MOT major, minor and dangerous verdicts

For Lambda coefficient outside the range 1 ± 0,03 or not in accordance with the manufacturer’s specification;, category is Major; inspection item number is 8.2.1.2; defect reference is (c); inspection item is Gaseous emissions; authority is EU Directive 2014/45/EU Annex I, recorded from its source on 2026-08-06.

- **Defect:** Lambda coefficient outside the range 1 ± 0,03 or not in accordance with the manufacturer’s specification; _(verified: appears in the quote below)_
- **Category:** Major
- **Inspection item number:** 8.2.1.2
- **Defect reference:** (c) _(verified: appears in the quote below)_
- **Inspection item:** Gaseous emissions
- **Authority:** EU Directive 2014/45/EU Annex I _(our reading, not quoted from the source)_

## What the source says

> (c) | Lambda coefficient outside the range 1 ± 0,03 or not in accordance with the manufacturer’s specification; | | | X |

## Source

- https://eur-lex.europa.eu/legal-content/EN/TXT/HTML/?uri=CELEX:32014L0045

Last verified: 2026-08-06. Review by: 2027-02-02.
Part of [Vehicle inspection defect categories: MOT major, minor and dangerous verdicts](https://referencesource.org/vehicle-inspection-defect-categories/).