Climate Control Exhaust Gas Sensor: Service and Repair

Air Quality Sensor (G238), From 25 May 2008

• 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 plenum chamber cover.

- Remove the cover 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.