Engine

Typical Vehicle Emission Control Information (VECI) Decal

~1min read
Typical Vehicle Emission Control Information (VECI) Decal
Typical Vehicle Emission Control Information (VECI) Decal

The Vehicle Emission Control Information (VECI) decal shows:

  • the components of the emission control system.
  • the correct vacuum hose routing.
  • the color stripe of the vacuum hoses.

The PCV system uses the intake manifold vacuum to ventilate the crankcase and return the fumes to the intake manifold for combustion.

Test yourself

A quick Ford Mustang quiz: every answer comes with an explanation and a link to the manual page.