engine FORD MUSTANG 2003 Workshop Manual

REMOVAL AND INSTALLATION
Idle Air Control (IAC) Valve —
4.6L (2V)
Removal 1. Disconnect the battery ground cable. For additional information, refer to Section 414 - 01 .
2. NOTE: Discard the idle air control (IAC) valve gasket.
Remove the IAC valve. zDisconnect the connector.
z Disconnect the hose.
z Remove the bolts, the IAC valve and the gasket.
Installation 1. To install, reverse the removal procedure.
SECTION 303-
14: Electronic Engine Controls 2003 Mustang Workshop Manual Klj . 1 ba
22003 Mustang Workshop Manual
18. 11. 2011file:///C:/Ford/2000 - 2004/tsocache/SHEF_4464/S3B~us~en~ ...

REMOVAL AND INSTALLATION
Idle Air Control (IAC) Valve —
Cobra
Removal and Installation 1. Disconnect the idle air control (IAC) valve electrical connector.
2. Remove the bolts, the IAC valve and the gasket.
3. NOTE: Install a new gasket if necessary.
To install, reverse the removal procedure.
SECTION 303-
14: Electronic Engine Controls 2003 Mustang Workshop Manual Klj . 1 ba
22003 Mustang Workshop Manual
18. 11. 2011file:///C:/Ford/2000 - 2004/tsocache/SHEF_4464/S3B~us~en~ ...

REMOVAL AND INSTALLATION
Idle Air Control (IAC) Valve —
Mach I
Removal and Installation 1. Remove the air intake scoop. For additional information, refer to Section 303 - 12 .
2. Disconnect the idle air control (IAC) valve electrical connector.
3. Remove the bolts, the IAC valve and the gasket.
4. NOTE: Install a new gasket if necessary.
To install, reverse the removal procedure.
SECTION 303-
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22003 Mustang Workshop Manual
18. 11. 2011file:///C:/Ford/2000 - 2004/tsocache/SHEF_4464/S3B~us~en~ ...

REMOVAL AND INSTALLATION
Cylinder Head Temperature (CHT) Sensor —
3.8L
Removal 1. Disconnect the battery ground cable. For additional information refer to Section 414 - 01 .
2. Disconnect the cylinder head temperature sensor connector.
3. Remove the CHT sensor.
Installation 1. To install, reverse the removal procedure.
SECTION 303-
14: Electronic Engine Controls 2003 Mustang Workshop Manual Klj . 1 ba
22003 Mustang Workshop Manual
18. 11. 2011file:///C:/Ford/2000 - 2004/tsocache/SHEF_4464/S3B~us~en~ ...

REMOVAL AND INSTALLATION
Engine Coolant Temperature (ECT) Sensor —
4.6L (2V)
Removal 1. Disconnect the battery ground cable. For additional information, refer to Section 414 - 01 .
2. Partially drain the cooling system. For additional information, refer to Section 303 - 03A .
3. Disconnect the engine coolant temperature (ECT) sensor (12A648) connector.
4. Remove the ECT sensor.
Installation 1. To install, reverse the removal procedure.
SECTION 303-
14: Electronic Engine Controls 2003 Mustang Workshop Manual Klj . 1 ba
22003 Mustang Workshop Manual
18. 11. 2011file:///C:/Ford/2000 - 2004/tsocache/SHEF_4464/S3B~us~en~ ...

REMOVAL AND INSTALLATION
Engine Coolant Temperature (ECT) Sensor —
Cobra
Removal and Installation 1. Partially drain the engine cooling system. For additional information, refer to Section 303 - 03A .
2. Disconnect the engine coolant temperature (ECT) sensor electrical connector.
3. Remove the ECT sensor.
4. To install, reverse the removal procedure. zApply sealant to the ECT sensor threads.
SECTION 303-
14: Electronic Engine Controls 2003 Mustang Workshop Manual Material
Item Specification
Pipe Sealant with Teflon
D8AZ-
19554- A WSK-
M2G350- A2 Klj . 1 ba
22003 Mustang Workshop Manual
18. 11. 2011file:///C:/Ford/2000 - 2004/tsocache/SHEF_4464/S3B~us~en~ ...

REMOVAL AND INSTALLATION
Engine Coolant Temperature (ECT) Sensor —
Mach I
Removal and Installation 1. Remove the air intake scoop. For additional information, refer to Section 303 - 12 .
2. Partially drain the engine cooling system. For additional information, refer to Section 303 - 03A .
3. Disconnect the engine coolant temperature (ECT) sensor electrical connector.
4. Remove the ECT sensor.
5. To install, reverse the removal procedure. zApply sealant to the ECT sensor threads.
SECTION 303-
14: Electronic Engine Controls 2003 Mustang Workshop Manual Material
Item Specification
Pipe Sealant with Teflon
D8AZ-
19554- A WSK-
M2G350- A2 Klj . 1 ba
22003 Mustang Workshop Manual
18. 11. 2011file:///C:/Ford/2000 - 2004/tsocache/SHEF_4464/S3B~us~en~ ...

REMOVAL AND INSTALLATION
Mass Air Flow (MAF) Sensor —
3.8L
Removal
CAUTION: The mass air flow (MAF) sensor hot wire sensing element and housing are
calibrated as a unit and must be repaired as a complete assembly. Do not damage the sensing
element (internal to housing) or possible failure to the mass air flow sensor may occur.
1. Disconnect the battery ground cable. For additional information, refer to Section 414 - 01 .
2. Remove the air cleaner and duct assembly. For additional information, refer to Section 303 - 12 .
3. Release the four tabs and remove the mass air flow (MAF) sensor.
4. Disconnect the connector.
5. Remove the mass air flow sensor (MAF). zRemove the nuts and the MAF sensor.
SECTION 303-
14: Electronic Engine Controls 2003 Mustang Workshop Manual Klj . 1 ba
22003 Mustang Workshop Manual
18. 11. 2011file:///C:/Ford/2000 - 2004/tsocache/SHEF_4464/S3B~us~en~ ...

REMOVAL AND INSTALLATION
Mass Air Flow (MAF) Sensor —
4.6L (2V)
Removal
CAUTION: The mass air flow (MAF) sensor hot wire sensing element and housing are
calibrated as a unit and must be repaired as a complete assembly. Do not damage the sensing
element (internal to housing) or possible failure to the mass air flow sensor may occur
1. Disconnect the battery ground cable. For additional information, refer to Section 414 - 01 .
2. Remove the air cleaner outlet tube. For additional information, refer to Section 303 - 12 .
3. Remove the mass air flow sensor (MAF). zDisconnect the connector.
z Remove the four nuts and the MAF sensor.
Installation 1. To install, reverse the removal procedure.
SECTION 303-
14: Electronic Engine Controls 2003 Mustang Workshop Manual Klj . 1 ba
22003 Mustang Workshop Manual
18. 11. 2011file:///C:/Ford/2000 - 2004/tsocache/SHEF_4464/S3B~us~en~ ...

REMOVAL AND INSTALLATION
Mass Air Flow (MAF) Sensor —
Cobra
Removal and Installation 1. Disconnect the intake air temperature (IAT) sensor.
2. Disconnect the breather hose.
3. Disconnect the vacuum hose. 4. Loosen the clamps and remove the air cleaner outlet pipe. SECTION 303-
14: Electronic Engine Controls 2003 Mustang Workshop Manual Klj . 1 ba
32003 Mustang Workshop Manual
18. 11. 2011file:///C:/Ford/2000 - 2004/tsocache/SHEF_4464/S3B~us~en~ ...