Passat Sedan V6-3.6L (BLV) (2008)
Climate Control Exhaust Gas Sensor: Service and Repair
Air Quality Sensor
‹› The air quality sensor (G238) was discontinued from November 2007 for the American markets.
‹› The air quality sensor (G238) is installed at the right front on the intake air grille in the plenum chamber.
‹› The Sensor for air quality (G238) 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
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Remove plenum chamber cover.
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Remove the cover over the intake air grille.
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Disconnect the connector on the air quality sensor (G238).
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Release the air quality sensor (G238) - 1 - and rotate it to remove it from the bracket on the intake air grille.
Installing
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Install in reverse order of removal.