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Home >> Chrysler >> 2011 >> 300 C, 4WD >> Repair and Diagnosis >> External Pages >> Different car >> Section 332 (4.7L - DTCS P2107 To U147B - 1500) >> Diagnosis And Testing >> P2173-High Airflow/Vacuum Leak Detected (Slow Accumulation) >> Possible Causes

Possible Causes

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.
Possible Causes 
VACUUM LEAK
RESISTANCE IN THE MAP SIGNAL CIRCUIT
RESISTANCE IN SENSOR GROUND CIRCUIT
MAP SENSOR
THROTTLE POSITION SENSOR/THROTTLE BODY
POWERTRAIN CONTROL MODULE (PCM)

Always perform the Pre-Diagnostic Troubleshooting procedure before proceeding. Refer to  STANDARD PROCEDURE  .