Code Definition

P02E7 — Diesel Intake Air Flow Position Sensor Out Of Range

System: Powertrain  |  Type: Generic (OBD-II Standard)  |  Make: Generic

About P02E7

P02E7 is a generic (obd-ii standard) powertrain diagnostic trouble code. It belongs to the P-prefix family of codes, which covers engine, transmission, emissions, or fuel-system faults.

When P02E7 is stored, the module has detected a signal or supply voltage lower than the expected operating range; a plausibility fault — the measured value is in the electrical range but is not consistent with expected operating behaviour; and a sensor-related fault — the reported value from the named sensor is out of spec.

Scanning & clearing: A generic OBD-II scan tool will usually read and clear powertrain (P) codes. For live data, freeze-frame capture, and bi-directional tests you may need a more capable scan tool that supports the vehicle's ECM protocol.

Because P02E7 is a generic OBD-II code, its base definition is shared across manufacturers. The specific diagnostic steps, reference values, and repair procedures can vary by vehicle, and the TaT Diagnostic Assistant includes verified procedures submitted by working technicians.

Code Information

The engine control module (ECM) sets this code when it detects that the diesel intake air flow valve position sensor signal is outside the expected range. This can indicate a sensor failure, incorrect voltage readings, or mechanical issues affecting the valve's movement. An out-of-range signal may cause improper airflow regulation, impacting engine performance and emissions.

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