P2172 DODGE - High Air Flow - Vacuum Leak Detected - Instantaneous Accumulation
- Large Vacuum Leak
- Fault MAP Sensor
- MAP Sensor harness is open or shorted
- MAP Sensor circuit poor electrical connection
- Faulty Throttle Body
When is the code detected?
- Engine Light ON (or Service Engine Soon Warning Light)
P2172 Dodge Description
The Powertrain Control Module (PCM) detects that a large vacuum leak is present or that the signal voltage for both Throttle Position (TP) Sensors is stuck a 2.5 volts and calculated MAP is less than the Gas Flow Adaptation value. One trip fault will set within 5 seconds.