P2172 Dodge - High Air Flow - Vacuum Leak Detected - Instantaneous Accumulation
Repair Importance Level:
Repair Difficulty Level:
- 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?
Based on calculated MAP, either both of the TP sensors have failed or the engine has a large vacuum leak.
- 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.
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