Ford Mustang (1999-2004) Service Manual: 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 weaken engine performance and shorten engine life.

The engine emission control consists of the:

  • positive crankcase ventilation (PCV) system.
  • exhaust gas recirculation (EGR) system.
Engine Emission Control
Torque Specifications ...

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. ...

Other materials:

Cylinder Head (Disassembly and Assembly of Subassemblies)
Special Tool(s) Compressor, Valve Spring 303-381(T91P-6565-A) Compressor Spacer, Valve Spring 303-382 (T91P-6565-AH) Installer, Valve Stem Oil Seal 303-383 (T91P-6571-A) Material Item Specification Sup ...

Functionality
With the ignition switch in the RUN position, voltage is applied through the warning indicator I circuit 904 (LG/RD) to the voltage regulator. This turns the regulator on, allowing current to flow from battery sense A circuit 36 (YE/WH) to the genera ...

Rear Suspension
Torque Specifications WARNING: All vehicles are equipped with gas pressurized shock absorbers which will extend unassisted. Do not apply heat or flame to the shock absorbers during removal or component servicing. Failure to follow these instructions can re ...