Ford Mustang (1999-2004) Service Manual: Heated Oxygen Sensor (HO2S)

Special Tool(s)

Socket, Exhaust Gas Oxygen Sensor 303-476 (T94P-9472-A)

Material

Item Specification
Penetrating and Lock Lubricant or equivalent E8AZ-19A501- B

Removal and Installation

1. Disconnect the battery ground cable. For additional information, refer to Section.

2. Raise and support the vehicle. For additional information, refer to Section.

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.

Heated Oxygen Sensor (HO2S)

5. To install, reverse the removal procedure.

Heated Oxygen Sensor (HO2S)

    Mass Air Flow (MAF) Sensor - Mach I
    Removal CAUTION: The mass air flow (MAF) sensor hot wire sensing element and housing are calibrated as a unit and must be repaired as a complete assembly. Do not damage the sensing element ...

    Catalyst Monitor Sensor
    Special Tool(s) Socket, Exhaust Gas Oxygen Sensor 303-476 (T94P-9472-A) Material Item Specification Penetrating and Lock Lubricant or equivalent E8AZ-19A501- B ...

    Other materials:

    Forward Clutch Cylinder
    Special Tool(s) Dial Indicator Gauge with Holding Fixture 100-002 (TOOL-4201-C) or equivalent Compressor, Clutch Spring 307-096 (T81P-70235-A) Protector, Transmission Forward Clutch Outer Fluid Seal 307-423 M ...

    Economical driving
    Fuel economy is affected by several things, such as how you drive, the conditions you drive under and how you maintain your vehicle. There are some things to keep in mind that may improve your fuel economy: • Accelerate and slow down in a smooth, moderate f ...

    Weld Nut Repair - Missing Weld Nut, Restraints Control Module (RCM)
    WARNING: To avoid accidental deployment and possible personal injury, the backup power supply must be depleted before repairing or replacing any front or side air bag supplemental restraint system (SRS) components and before servicing, replacing, ...