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Home >> Chrysler >> 2011 >> 300 C, 4WD >> Repair and Diagnosis >> External Pages >> Different car >> Section 325 (3.6L - DTCS P1457 To P2311 - 1500) >> Diagnosis And Testing >> P2172-High Airflow/Vacuum Leak Detected (Instantaneous Accumulation) >> Set Condition

Set Condition

WARNING: This page is about a different car, the 2013 RAM 1500. However, it is still accessible from the selected car via links, so may be relevant.

A large vacuum leak has been detected or both of the Throttle Position Sensors (TPS) have failed based on their position being 2.5 volts and the calculated MAP value is less than the actual MAP minus an Offset value. One trip fault and the DTC will set within five seconds. ETC light will flash. If the vehicle is equipped with the stop/start feature, the system will be disabled when this DTC is active. 

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