P2172

ErrorFuel

What This Code Means

Throttle Actuator Control System - Sudden High Airflow Detected

Possible Causes

  • •Throttle body damage or air leak between the throttle and engine.

Suggested Actions

  1. 1Check for smooth throttle operation.
  2. 2Check for vacuum hose leaks.
  3. 3Troubleshoot the TP sensor leads. Refer to the Throttle Position (TP) Sensor Troubleshooting section.
  4. 4Replace the throttle body. Refer to the Air - Fuel Mixer, Adapter, and Throttle Body Assembly section.

Related Discovery Energy, LLC (Rehlko) Fault Codes

ASK RUDY ABOUT THIS FAULT

Get a diagnosis walkthrough for P2172 on your specific Discovery Energy, LLC (Rehlko) unit — cited to the OEM manual, not a forum guess.

GET THE ANSWER

Free account required — we'll bring your question with you.