Ford Mustang Quiz
Engine

Catalyst Monitor Sensor

In this manual: Engine
Service Information — 34Suspension — 63Driveline — 80Brake System — 74Steering System — 42Engine — 329Automatic Transmission — 84Manual Transmission, Clutch and Transfer Case — 64Exhaust System — 8Fuel System — 39Climate Control System — 76Instrumentation and Warning Systems — 25Battery and Charging System — 19Audio Systems — 14Lighting — 24Electrical Distribution — 8Electronic Feature Group — 11Body — 173Frame and Mounting — 6General Information — 1
~1min read
1special tools

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 catalyst monitor sensors are used for the engine control system. They are located in the dual converter Y pipe downstream from the catalyst. The left side catalyst monitor sensor is shown, the right side is similar.

Disconnect the connector.

Catalyst Monitor Sensor

4. NOTE: If necessary, lubricate the sensors with penetrating and lock lubricant to assist in removal.

Using the special tool, remove the catalyst monitor sensors from the dual converter Y pipe.

Catalyst Monitor Sensor

5. To install, reverse the removal procedure.

Catalyst Monitor Sensor

Test yourself

A quick Ford Mustang quiz: every answer comes with an explanation and a link to the manual page.