Automotive/Technical Video 3 months ago VIDEO: Air Filters And Mass Air Flow Sensor Contamination Share Tweet Print Email Andrew Markel,authorView bio Bio Recent Posts Popular Posts Stacked Alignment: Solving Lead/Pull ConditionsVIDEO: ECM Alternator Regulation; No More Full Field TestingVIDEO: Belt, Pulley And Tensioner InspectionBrake TSB TrendsVIDEO: Brake Fluid Grades; Too Hot, Too Cold, Or Just Right? VIDEO: ECM Alternator Regulation; No More Full Field TestingVIDEO: Brake Fluid Grades; Too Hot, Too Cold, Or Just Right?VIDEO: Noise Issues On Opposing Piston Brake CalipersVIDEO: Can A Backup Camera Interfere With TPMS Signals?VIDEO: PCV Valve Or Oil Separator? Andrew Markel explains how a failing air filter can cause the contamination of the mass air flow sensor. Sponsored by Auto Value and Bumper to Bumper. Video courtesy Underhood Service.