In this video, Andy Phillips shows how to test a Mass Air Flow (MAF) Sensor using a multimeter. Knowing how to test this sensor will save you money from buying a new one when you might be able to just clean it. Below are links to videos that may be helpful: How To Clean A MAF (Mass Air Flow) Sensor: How To Test A TPS (Throttle Position) Sensor: Cleaning A Throttle Body: How To Replace An IAC (Idle Air Control) Valve: How To Clean An IAC (Idle Air Control) Valve: How To Clean A Variable Valve Timing Solenoid: How To Test An EGR Solenoid: Rebuilding An EGR Solenoid: How To Replace An EGR Valve: Installing Inline Fuel Check Valve: How To Remove A Valve Cover: Replacing A Throttle Position Sensor: Replacing Oxygen (O2) Sensors: Changing Oil Pressure Sensor Switch: DISCLAIMER: The individual featured on the Phillips Vision YouTube Channel identified as Andrew Phillips, also known as Andy Phillips is not a professional mechanic, contractor or certified repairman. He does not have any formal training in the automotive field, or any other trade. He is strictly a Do It Yourself handyman. Phillips Vision, or the individuals featured on this channel, assume no liability for anything you choose to do to your vehicles, appliances, games or any other items featured in the videos before, or after watching one of the videos or utilizing the content from this channel. All Do it Yourself (DIY) repairs or modifications you perform are at your own risk. Proper safety precautions are always needed, and are the responsibility of the viewer to follow. In some cases, even if you perform everything properly, you can destroy or damage one or more things you are working on resulting is costly repairs. In addition, if for some reason, the instructions on this channel are incorrect, resulting it something becoming damaged, Phillips Vision and those featured on this channel WILL NOT reimburse or pay in any way the costs that may be incurred due to following wrong instructions. PLEASE DO NOT PERFORM ANYTHING SHOWN ON THIS CHANNEL (PHILLIPS VISION) UNLESS YOU FEEL COMFORTABLE AND CONFIDENT TO DO SO.