Ford 9E5Z-9F472-D Sensor - Hego

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No, you should not use cleaning solvents on the oxygen sensor.

On all models except 5.0L V8 engines, the two downstream sensors are screwed into the catalytic converters. On 5.0L V8 engines, they are screwed into the exhaust pipes just after the catalytic converters.

To replace the downstream oxygen sensor, you need to locate it, disconnect the electrical connector, and then unscrew the sensor using a wrench or oxygen sensor socket. Apply anti-seize compound to the threads if reusing the old sensor.

1. Disconnect the negative battery terminal. 2. Disconnect the downstream oxygen sensor electrical connector. 3. Raise the front of the vehicle and secure it on jackstands. 4. Unscrew the downstream oxygen sensor located below the catalytic converter. 5. Apply anti-seize compound if reinstalling the old sensor. 6. Install the sensor and tighten it to the specified torque. 7. Reconnect the battery and allow the PCM to relearn its idle and fuel trim strategy.

Before attempting to remove an oxygen sensor, you should start and run the engine for a minute or two.

The upstream and downstream oxygen sensors are located in relation to the two smaller catalysts, which are integrated into the exhaust manifolds.

YES THIS CORRECT