Volvo Workshop Manuals
XC90 2.5T AWD L5-2.5L Turbo VIN 59 B5254T2 (2003)
Sensors and Switches > Sensors and Switches - HVAC > Climate Control Exhaust Gas Sensor > Component Information > Locations > Page 1726
Climate Control Exhaust Gas Sensor: Testing and Inspection
Air quality sensor, checking
As the illustrations in this service information are used for different model years and / or models, some variation may occur. However, the essential
Removing the air quality sensor
Remove the plenum chamber. See Cowl, replacing See: Body and Frame/Cowl/Cowl Moulding / Trim/Service and Repair.
Checking the air quality sensor
Start the car engine with the ECC automatic button in the ON position.
Spray a little rust solvent or windshield washer fluid from a spray bottle into the opening for the air quality sensor.
Note! Use only a small amount of rust solvent or windshield washer fluid.
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