Ford Mustang (1999-2004) Service Manual: Positive Crankcase Ventilation (PCV) Hose
Removal and Installation
1. Disconnect the hose on the PCV valve.

2. Twist and remove the PCV valve.

3. To install, reverse the removal procedure.
Exhaust Gas Recirculation (EGR) Vacuum Regulator
Solenoid
Mach I vehicles
1. Remove the air intake scoop. For additional information, refer to
Section .
All vehicles
2. Remove the exhaust gas recirculation (EGR) vacuum regulator solenoid.
Disconnec ...
Intake Air Distribution and Filtering
Torque Specifications
a - Refer to the procedure
Intake Air Distribution and Filtering (DESCRIPTION AND OPERATION)
The air intake system consists of the:
air intake scoop (Mach I)
air cleaner ...
Other materials:
Pinpoint Tests
CAUTION: Do not make jumper connections except as directed.
Incorrect connections
may damage the voltage regulator test terminals, fuses, or fuse links.
CAUTION: Do not allow any metal object to come in contact with the
generator housing
and inter ...
Heater Core
Removal
NOTE: If a heater core leak is suspected, the heater core must be
pressure leak tested before it is
removed from the vehicle. For additional information, refer to Section.
1. Remove the evaporator core housing. For additional information, refer to
E ...
Component Tests
Idle Air Control (IAC) Valve
1. Open the hood.
2. NOTE: Key symptom is elevated idle speed while noise is occurring.
NOTE: "Snapping" the throttle can induce the noise.
Verify the condition by operating the vehicle for a short time.
3. Inspect the IAC valv ...
