Ford 2003 Mustang Workshop Manual page 2090

SECTION 303-08: Engine Emission Control
DESCRIPTION AND OPERATION
Engine Emission Control
CAUTION: Do not remove any part of the engine emission control system. Operating the
engine without the engine emission control system will reduce fuel economy and engine
ventilation. This will weaken engine performance and shorten engine life.
The engine emission control consists of the:
positive crankcase ventilation (PCV) system.
exhaust gas recirculation (EGR) system.
Typical Vehicle Emission Control Information (VECI) Decal
Item Part Number
1 —
2 —
3 —
4 —
5 —
The Vehicle Emission Control Information (VECI) decal shows:
the components of the emission control system.
the correct vacuum hose routing.
Description
Adjustment procedure notes
Ignition timing specification
Engine vacuum hose routing (typical)
Spark plug gap specification
Engine type
2003 Mustang Workshop Manual