Ford Mustang (1999-2004) Service Manual: Engine System - General Information
General Specifications

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.
- an exhaust emission control system.
- an evaporative emission control system.
Some engines incorporate a fail-safe cooling system. Refer to the appropriate section in Group for 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.
- Engine (Diagnosis and Testing)
- Sprockets
- Rocker Arms - Inspection
- Push Rods - Inspection
- Camshaft Journal - Clearance, Plastigage Method
- Camshaft End Play - Push Rod Engines
- Camshaft End Play - OHC Engines
- Camshaft Lobe Lift
- Camshaft Runout
- Crankshaft Main Bearing Journal - Clearance
- Crankshaft End Play
- Crankshaft Runout
- Crankshaft - Connecting Rod Journal Taper, Out of Round
- Piston Inspection
- Piston - Pin to Bore Diameter
- Piston - Selection
- Piston - Ring End Gap
- Piston - Ring-to-Groove Clearance
- Piston - Pin Diameter
- Connecting Rod - Bushing Diameter
- Connecting Rod - Twist
- Connecting Rod - Bearing Journal Clearance
- Connecting Rod - Side Clearance
- Valve Stem to Valve Guide Clearance
- Valve Spring Strength
- Valve - Seat Inspection
- Cylinder Head - Distortion
- Cylinder Block Core Plug Replacement
- Spark Plug - Inspection
- Exhaust Manifold - Inspection
Engine
...
Engine (Diagnosis and Testing)
Special Tool(s)
Commercially Available
Leakdown Tester
Quick Disconnect Compression
Tester
134-R0212 or equivalent
Dial Indicator Gauge Adapter
303-007 (TOOL-6565-AB) ...
Other materials:
USB port
WARNING: Driving while distracted can result in loss of vehicle
control, crash and injury. We strongly recommend that you use
extreme caution when using any device that may take your focus off
the road. Your primary responsibility is the safe operation of your ...
Key Programming - Program a Key Using Two
Programmed Keys
Special Tool(s)
Worldwide Diagnostic System
(WDS)
418-F224,
New Generation STAR (NGS)
Tester
418-F052, or equivalent
diagnostic tool
NOTE: This procedure only works if two or more programmed ignition keys are
available and it is
desi ...
EGR System Components
The EGR system returns a portion of the exhaust gas to the intake manifold to
reduce the combustion
temperature. This results in lower nitrous oxide formation.
The powertrain control module (PCM) controls the EGR vacuum regulator solenoid .
The EG ...
