Air Quality Sensor -G238-, REMOVING AND INSTALLING: Installing
WARNING: This page is about a different car, the 2018 Volkswagen Jetta, 2017 Volkswagen Jetta, 2016 Volkswagen Jetta, and 2015 Volkswagen Jetta. However, it is still accessible from the selected car via links, so may be relevant.
-- Install in reverse order of removal and note the following:
-- Then check the DTC memory and delete any displayed entries. Refer to Vehicle Diagnostic Tester.