Jeep Wagoneer/Commando/Cherokee 1984-1998

Manifold Absolute Pressure (MAP) Sensor

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OPERATION



The manifold absolute pressure sensor is mounted on the dash panel behind the engine. The MAP sensor reacts to absolute pressure in the intake manifold and provides an input voltage to the ECU. Manifold pressure is used to supply mixture density information and ambient barometric pressure information to the ECU. A hose from the intake manifold provides the input pressure.

 
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