Mass Air Flow Sensor -G70-: Installing

WARNING: This page is about a different car, the 2015 Volkswagen Beetle, 2014 Volkswagen Beetle, and 2013 Volkswagen Beetle. However, it is still accessible from the selected car via links, so may be relevant.

Install in reverse order of removal. Note the following:

Replace the O-ring if damaged
If the air filter is very dirty or soaked, dirt particles or moisture may have contaminated the Mass Airflow Sensor -G70- and may be causing false mass airflow values. This results in a reduction of power, since a lower injection quantity is calculated.
Always use Original air filter insert.

-- Check the Mass Airflow Sensor -- and the intake hose (clean air side) for contamination.

-- Check the intake duct up to the air filter insert for contamination. If any contaminants are discovered, clean the air filter housing upper and lower section of salt residue, dirt and leaves. Wash or vacuum if necessary. Air filter element, removing and installing AIR FILTER .