Ford 2003 Mustang Workshop Manual page 2243

SECTION 303-14: Electronic Engine Controls
REMOVAL AND INSTALLATION
Heated Oxygen Sensor (HO2S)
Special Tool(s)
Socket, Exhaust Gas Oxygen
Sensor
303-476 (T94P-9472-A)
Material
Item
Penetrating and Lock Lubricant
or equivalent
Removal and Installation
1. Disconnect the battery ground cable. For additional information, refer to
2. Raise and support the vehicle. For additional information, refer to
3. NOTE: Two heated oxygen sensors (HO2S) are used for the engine control system. They are
located in the dual converter Y pipe. The left side (HO2S) is shown, the right side is similar.
Disconnect the HO2S electrical connector.
4. NOTE: If necessary, lubricate the heated oxygen sensors with penetrating and lock lubricant to
assist in removal.
Using the special tool, remove the HO2S from the dual converter Y pipe.
5. To install, reverse the removal procedure.
Specification
E8AZ-19A501-
B
2003 Mustang Workshop Manual
Section 414-01
Section 100-02 .
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