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mass airflow sensor (MAS)

Glossary “mass airflow sensor (MAS)” Definition:
Device found at the inlet of the intake manifold of an electronic fuel-injection system which supplies the computer with input as to the volume of air entering the manifold, using the temperature differential between a heated platinum wire or a plastic film and the passing air, to generate a signal of varying voltage or frequency.

masking area

Glossary “masking area” Definition:
A preparation stage in a paint shop in which the parts that are not to be painted are covered with paper and held in place with masking tape.

MAP

Glossary “MAP” Definition:
1). Manifold Absolute Pressure. All pressures above, below and at atmospheric, found in the engines intake manifold. 2). Following and plotting a circuit signal on an oscilloscope over a period of time.