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Home >> Volkswagen >> 2014 >> Passat TDI SE, Standard Trans >> Repair and Diagnosis >> External Pages >> Different car >> Section 5 (2.0L - Generic Scan Tool - Engine Code: CVCA) >> St Generic Scan Tool >> Diagnosis And Testing >> Diagnostic Procedures >> Mass Air Flow Sensor -G70-, CHECKING >> Function
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Mass Air Flow Sensor -G70-, CHECKING: Function

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

The ECM uses the Mass Airflow Sensor -G70- signal to calculate a correction value for the charge air pressure. Evaluation of the signal gives consideration to the influence of temperature on the density of the charge air.

Special tools and workshop equipment required 

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