Sensor, Boost Pressure: Description
WARNING: This page is about a different car, the 2017 Jeep Cherokee. However, it is still accessible from the selected car via links, so may be relevant.
 Courtesy of CHRYSLER GROUP, LLC
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The boost pressure sensor (2) is integrated with the Intake Air Temperature (IAT) sensor, and mounted in the intake manifold. The boost pressure sensor allows the Powertrain Control Module (PCM) to monitor air pressure within the intake manifold.