Ford 2003 Mustang Workshop Manual page 2218

SECTION 303-14: Electronic Engine Controls
REMOVAL AND INSTALLATION
Idle Air Control (IAC) Valve —3.8L
Removal
1. Disconnect the battery ground cable. For additional information, refer to
2. NOTE: Discard the idle air control (IAC) valve gasket.
Remove the IAC valve.
Disconnect the connector.
Remove the two bolts, the IAC valve and the gasket.
Installation
1. To install, reverse the removal procedure.
2003 Mustang Workshop Manual
Section 414-01 .