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OBD II Fault Code

  • OBD II P02E2

OBD-II Code Decreased engine performance is defined as a Diesel Intake Air Flow Control Circuit Low

The volume of air going through the intake is controlled by the Intake Airflow Control Valve on the throttle body. If the engine control module (PCM) detects an implausible signal to or from the Intake Airflow Control Valve, the PCM will set code P02E2.Failure of the Intake Airflow Control Valve may require replacement of the throttle body assembly, as it is not always serviceable separately.

Decreased engine performance Symptoms

  • Decreased engine performance
  • Engine may stall
  • Increased fuel consumption

Common Problems That Trigger the P02E2 Code

  • Powertrain Control Module (PCM) failure
  • Throttle body assembly failure
  • Wiring issue
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