Automotive/Technical Videos 8 months ago VIDEO: How Do MAP And MAF Sensors Interpret Vacuum Leaks? Share Tweet Print Email Andrew Markel,authorView bio Bio Recent Posts Popular Posts Fuel Injector Function TestingTiming Chain Stretch: It Is The Oil's Fault!VIDEO: Freeing Seized Wheel Bearings: The Do's And Don'tsVIDEO: Three Tips For More Successful Timing Belt JobsUsing A TPMS Tool As An Information Database In The Bay Oil Level Sensors - More Than A Warning LightVIDEO: Brake Pad Hardware ReplacementAlternator Testing Diagnostics Are Getting More ComplicatedVIDEO: Dual Mass Flywheels On Manual Transmission VehiclesWhat Is Oil Testing? Andrew Markel goes under the hood to explain the different ways that mass airflow sensors and manifold air pressure sensors look at vacuum leaks. Sponsored by Intermotor. Video courtesy ImportCar.