This is necessary to determine how much fuel to inject, when to ignite the cylinder, and when to shift the transmission.
How To Test Mass Air Flow Sensor. I also show you how you can figure out the wires without a wiring diagram. Plug the maf electrical connector back in. The more air flows over the wire, the more electrical current is needed to keep it hot.
How To Test Mass Air Flow Maf Sensor Gm Youtube from i.ytimg.com
In the photo above you can see a 4 wire maf sensor. Ford maf sensor testing, 12v power you do not need a scan tool to test the mass air flow sensor on your ford. How does an air mass sensor work? It uses a hot wire element to measure the amount of air entering raise the vehicle's hood and prop it open.
Mass air flow sensors(maf) are one of the most important sensors used to control your vehicle's engine.
The more air flows over the wire, the more electrical current is needed to keep it hot. Do not use carb or throttle body cleaner, or any other solvents. How to test a maf sensor using a basic multimeter without having to look up a wiring diagram. Mass air flow sensor (maf) testing without dismantling. Test your mass air flow sensor, also we share how to find a vacuum leak.
