The mass airflow sensor commonly abbreviated to MAF is one of the most important engine management sensors. A MAF sensor measures the density of the air entering the intake manifold. The ECU uses this information along with other sensor data to control the amount of fuel that enters the combustion chamber. And, most of the time they are right by the air box and easy to replace.
95 ford escort lx - Maintenance/Repairs - Car Talk Community
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Mass Air Flow Sensor Delphi AF10117
For all of the tests, you'll need to use the photos in the image viewers to identify the circuit wire that the Test indicates you need to test. The very first thing that we'll do is check that the MAF sensor is receiving a healthy supply of 12 Volts. As mentioned before, use a test probe that pierces thru' the wire's insulation Wire Piercing Probe to get to the signal inside the wire.
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