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Posts Tagged: Chrysler MAP

Test MAP Sensor on Chrysler vehicles

How to Test MAP Sensor on Chrysler vehicles Mid 90’s Chrysler vehicles used a Manifold Absolute Pressure Sensor (MAP sensor) to determine the vacuum and air density of incoming air. Here’s how to test it. When you first turn the key without starting the engine, the computer takes a reading on the MAP to get barometric pressure. Then, when you start the engine and vacuum is applied to the MAP, it can subtracts barometric from manifold vacuum to get a reading on density. As you open the throttle, manifold vacuum … Read More


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