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Replacement of the Mass Air Flow Sensor

Model: Volkswagen Passat 3BG, B5 - Years 1996-2005
Part: Engine

The mass air flow sensor (commonly known as the MAF sensor) on the car model in question is located inside the air filter box, specifically under the cover. To replace the sensor, you need to remove the engine air filter cover by disconnecting the intake hose, unscrewing the screws securing the cover, and moving any hoses and wiring that pass over it. Once the cover is removed, unscrew the screws securing the MAF sensor, pull it from its housing, retrieve the O-ring gasket to apply to the new sensor, and install the latter by tightening the securing screws and remounting the cover.

Updated on 17 February 2026 by ScegliAuto

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