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Home >> Jeep >> 2023 >> Grand Cherokee Altitude, AWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 20 (2.0L - Emissions Control) >> Crankcase Ventilation >> Description And Operation >> Crankcase Ventilation - Turbo >> Crankcase Pressure Sensor

Crankcase Pressure Sensor

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The Crankcase Pressure Sensor is used to diagnose a disconnect in the MUA Tube. The Crankcase Pressure Sensor connects to a fitting on the Clean Air Tube that is also connected to the MUA Tube. The Powertrain Control Module (PCM) monitors the pressure pulsations in the Crankcase Pressure Sensor signal to determine whether or not the hose is connected.

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