2003 FORD MUSTANG charging

REFER to the Powertrain
Control/Emissions Diagnosis
(PC/ED) manual.
z Damaged charging
system/battery. z
REFER to Section 414 - 00 .
z Burnt valve. zINSTALL a new valve.
z Worn piston. zINSTALL a new piston.
z Worn piston rings. zINSTALL new piston rings.
z Worn cylinder. zREPAIR or INSTALL a new
cylinder block.
z Damaged head
gasket. z
INSTALL a new head gasket.
z Damaged cooling
system. z
Refer to the appropriate section
in Group 303 for the procedure.
REFER to the Powertrain
Control/Emissions Diagnosis
(PC/ED) manual.
z Poor idling zVacuum leaks. zRefer to the appropriate section
in Group 303 for the procedure.
REFER to the Powertrain
Control/Emissions Diagnosis
(PC/ED) manual.
z Malfunctioning or
damaged ignition
system. z
Refer to the appropriate section
in Group 303 for the procedure.
REFER to the Powertrain
Control/Emissions Diagnosis
(PC/ED) manual.
z Malfunctioning or
damaged fuel
system. z
Refer to the appropriate section
in Group 303 for the procedure.
REFER to the Powertrain
Control/Emissions Diagnosis
(PC/ED) manual.
z Damaged valve
tappet or lash
adjuster. z
INSTALL a new valve tappet or
lash adjuster.
z Damaged valve
tappet guide or lash
adjuster. z
INSTALL a new valve tappet
guide or valve tappet.
z Incorrect valve-to-
valve seat contact. z
REPAIR or INSTALL a new
valve or valve seat.
z Damaged head
gasket. z
INSTALL a new head gasket.
z Abnormal
combustion z
Malfunctioning or
damaged fuel
system. z
Refer to the appropriate section
in Group 303 for the procedure.
REFER to the Powertrain
Control/Emissions Diagnosis
(PC/ED) manual.
z Malfunctioning or
damaged ignition
system. z
Refer to the appropriate section
in Group 303 for the procedure.
REFER to the Powertrain
Control/Emissions Diagnosis
(PC/ED) manual.
z Malfunctioning or
damaged air intake
system. z
Refer to the appropriate section
in Group 303 for the procedure.
REFER to the Powertrain
Control/Emissions Diagnosis Klj . 3 ba
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24. Disconnect the fuel pressure sensor electrical connector and the vacuum hose.
25. Disconnect the fuel charging ground wire.
26. Disconnect the ignition coils and the fuel injectors.
27. Disconnect the climate control vacuum supply hoses and remove the vacuum harness. Klj . 6 ba
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15. Connect the ignition coils and the fuel injectors.
16. Connect the fuel charging ground wire.
17. Connect the fuel pressure sensor electrical connector and the vacuum hose.
18. Install the throttle body and adapter as an assembly. Klj . 14 ba
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25. Separate the fuel charging wiring harness from the fuel injection supply manifold in four places
and position the harness aside.
26. Remove the ten bolts and the intake manifold, and the supercharger and fuel supply manifold as an assembly.
27. NOTE: Inspect the intake manifold gaskets and install new gaskets, if necessary.
NOTE: Install new bypass tube O- rings and lubricate them, using premium engine coolant.
To install, reverse the removal procedure. zTighten the intake manifold bolts in the sequence shown. Klj . 6 ba
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25. Remove the fuel charging wiring harness bracket bolt.
26. Disconnect the crankshaft position (CKP) sensor electrical connector.
27. Disconnect the A/C compressor electrical connector.
28. Unclip the harness from the bracket. Klj . 8 ba
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29. Remove the harness support bracket.
30. Disconnect the electrical connectors and remove the RH ignition coils.
31. Disconnect the eight fuel injectors.
32. Separate the harness from the fuel supply manifold studs in four places and remove the fuel
charging wiring harness. Klj . 9 ba
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75. Clip the harness to the bracket.
76. Connect the A/C compressor electrical connector.
77. Connect the crankshaft position (CKP) sensor electrical connector.
78. Install the fuel charging wiring harness bracket bolt. Klj . 27 ba
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IN-
VEHICLE REPAIR
Intake Manifold — Lower
Removal 1. Remove the upper intake manifold. For additional information, refer to Intake Manifold — Upper
in this section.
2. Disconnect the fuel line. For additional information, refer to Section 310 - 00 .
3. Remove the coolant by- pass tube. For additional information, refer to Section 303 - 03A .
4. Remove the generator. For additional information, refer to Section 414 - 02 .
5. Disconnect the electrical connector and the vacuum line from the fuel pressure sensor.
6. Disconnect the eight fuel injector electrical connectors.
7. Separate the fuel charging wiring harness from the fuel injection supply manifold studs in three places.
SECTION 303-
01D: Engine — Mach I 4.6L (4V) 2003 Mustang Workshop Manual Material
Item Specification
Metal Surface Cleaner
F4AZ-
19A536- RA or equivalent WSE-
M5B392- A Klj . 1 ba
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