Ford 2003 Mustang Workshop Manual page 840

Damaged charging
system/battery.
Burnt valve.
Worn piston.
Worn piston rings.
Worn cylinder.
Damaged head
gasket.
Damaged cooling
system.
Poor idling Vacuum leaks.
Malfunctioning or
damaged ignition
system.
Malfunctioning or
damaged fuel
system.
Damaged valve
tappet or lash
adjuster.
Damaged valve
tappet guide or lash
adjuster.
Incorrect valve-to-
valve seat contact.
Damaged head
gasket.
Abnormal Malfunctioning or
combustion damaged fuel
system.
Malfunctioning or
damaged ignition
system.
Malfunctioning or
damaged air intake
system.
REFER to the Powertrain
Control/Emissions Diagnosis
(PC/ED) manual.
REFER to Section 414-00
INSTALL a new valve.
INSTALL a new piston.
INSTALL new piston rings.
REPAIR or INSTALL a new
cylinder block.
INSTALL a new head gasket.
Refer to the appropriate section
in Group 303 for the procedure.
REFER to the Powertrain
Control/Emissions Diagnosis
(PC/ED) manual.
Refer to the appropriate section
in Group 303 for the procedure.
REFER to the Powertrain
Control/Emissions Diagnosis
(PC/ED) manual.
Refer to the appropriate section
in Group 303 for the procedure.
REFER to the Powertrain
Control/Emissions Diagnosis
(PC/ED) manual.
Refer to the appropriate section
in Group 303 for the procedure.
REFER to the Powertrain
Control/Emissions Diagnosis
(PC/ED) manual.
INSTALL a new valve tappet or
lash adjuster.
INSTALL a new valve tappet
guide or valve tappet.
REPAIR or INSTALL a new
valve or valve seat.
INSTALL a new head gasket.
Refer to the appropriate section
in Group 303 for the procedure.
REFER to the Powertrain
Control/Emissions Diagnosis
(PC/ED) manual.
Refer to the appropriate section
in Group 303 for the procedure.
REFER to the Powertrain
Control/Emissions Diagnosis
(PC/ED) manual.
Refer to the appropriate section
in Group 303 for the procedure.
REFER to the Powertrain
Control/Emissions Diagnosis
.