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Section 8

Nuisance

Exhaust emissions, noise, fluid leaks.

25
defect codes in this section
3 Dangerous22 Major
View this section on gov.uk →

8.1 Noise

8.2.1 Spark ignition engine emissions

8.2.2 Compression ignition engine emissions

8.4 Other environmental items

motfailcode.uk maps DVSA MOT defect codes to plain-English meanings. Defect severity classifications follow the DVSA MOT Inspection Manual current as of 12 May 2026. Codes and severities are updated annually (typically May). Always confirm with a qualified MOT tester or vehicle technician for your specific vehicle. This site is not affiliated with DVSA or HM Government.

See our methodology for how we extract and verify each code, and sources for the full citation manifest.