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Climate Control Exhaust Gas Sensor: Service and Repair






Air Quality Sensor (G238)

The air quality sensor is installed at the right front on the intake air grille in the plenum chamber.

The air quality sensor contains a highly sensitive electronic component which can be damaged if it comes in direct contact with solvents, fuels or chemicals.

Do not install a sensor that has been kept, for example, in a tool box.

Do not store removed sensors in areas where they can come into contact with solvents, fuels and certain chemical compositions (fluids or vapors).

Removing

- Remove the plenum chamber cover.

- Remove the cover - 1 - from the plenum chamber.






- Disconnect the connector from the air quality sensor.






- Remove the air quality sensor - 1 - from the bracket on the air grille.

Installing

- Install in reverse order of removal.