Ford Mustang (1999-2004) Service Manual: Spark Plugs
Removal and Installation
1. Remove the ignition coil-on-plug. For additional information, refer to Ignition Coil-On-Plug in this section.
2. NOTE: Use compressed air to remove any foreign material from the spark plug well before removing the spark plugs.
NOTE: If an original spark plug is used, make sure it is installed in the same cylinder from which it was taken. New spark plugs can be used in any cylinder.
Remove the RH spark plugs.

3. Remove the LH spark plugs.

4. Inspect the spark plugs. Install new spark plugs as necessary. For additional information, refer to Section.
5. Adjust the spark plug gap as necessary.

6. To install, reverse the removal procedure.
Ignition Coil-On-Plug
Material
Item
Specification
Silicone Brake Caliper Grease
and Dielectric Compound
D7AZ-19A331-A or equivalent
ESE-M1C171-
A
Removal and Installation
1. Disconnect the battery ...
Engine Emission Control
Torque Specifications
...
Other materials:
Inspection and Verification
WARNING: When servicing starter motor or carrying out other underhood
work in the
vicinity of the starter motor, be aware that the heavy gauge battery input lead
at the starter
solenoid is "electrically hot" at all times. A protective cap or boot is
provide ...
Security Access - Procedure
Special Tool(s)
Worldwide
418-F224,
New Generation STAR (NGS)
Tester
418-F052, or equivalent
diagnostic tool
NOTE: The security access procedure is utilized to obtain passive anti-theft
system (PATS) security
access. PATS security acce ...
Anti-Theft - Passive Anti-Theft System (PATS) (Description and Operation)
The passive anti-theft system (PATS) contains the following components:
theft indicator
encoded ignition key
transceiver module
instrument cluster
powertrain control module (PCM)
standard corporate protocol (SCP) communication network
The PATS uses rad ...
