Ford 2003 Mustang Workshop Manual page 837

SECTION 303-00: Engine System — General Information
DESCRIPTION AND OPERATION
Engine
NOTE: This section contains information, steps and procedures that may not be specific to your
engine.
This section covers general procedures and diagnosis and testing of the engine system, except for
exhaust emission control devices, which are covered in the Powertrain Control/Emissions Diagnosis
Manual.
The engine incorporates the following features:
a closed positive crankcase ventilation (PCV) system. For additional information, refer to
Section 303-08
an exhaust emission control system. For additional information, refer to
an evaporative emission control system. For additional information, refer to
Some engines incorporate a fail-safe cooling system. Refer to the appropriate section in Group
the procedure.
The engine, fuel system, ignition system, emissions system and exhaust system all affect exhaust
emission levels and must be maintained according to the maintenance schedule. Refer to the
scheduled Maintenance Guide.
Correct engine identification is required to order parts. Refer to the appropriate section in Group
for the procedure.
For complete vehicle and engine identification codes, refer to
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2003 Mustang Workshop Manual
Section 303-08
Section 303-13
Section 100-01 .
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