Ford Mustang (1999-2004) Service Manual: 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.
Engine Emission Control (Description and Operation)
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 weak ...
EGR System Components
The EGR system returns a portion of the exhaust gas to the intake manifold to
reduce the combustion
temperature. This results in lower nitrous oxide formation.
The powertrain control modul ...
Other materials:
Stabilizer Bar
Removal
CAUTION: Suspension fasteners are critical parts because they affect
performance of vital
components and systems and their failure can result in major service expense. A
new part with
the same part number must be installed if installation becomes nec ...
Tire Wear Chart
Wheel and tire NVH concerns are directly related to vehicle speed and are not
generally affected by
acceleration, coasting or decelerating. Also, out-of-balance wheel and tires can
vibrate at more than
one speed. A vibration that is affected by the engine ...
Muffler - 4.6L (4V)
Removal and Installation
1. Raise and support the vehicle. For additional information, refer to
Section.
2. NOTE: RH side shown, LH side similar.
Remove the dual converter assembly nuts.
3. Remove the RH exhaust hanger insulator (5260).
4. Remove the LH ...
