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P02E7

Diesel Intake Air Flow A Position Sensor Circuit Range/Performance

Position sensor reads in range but plausibility check fails — does not match commanded throttle position.

  • Check engine light: Yes
  • Emissions related: Yes
  • Repair difficulty: medium

Common causes

Ordered by how often each turns out to be the cause.

  • Sensor driftCommon
  • Sensor element aged beyond calibration windowLess likely
  • Sensor mounting loose - signal dampingLess likely

Parts involved

  • Diesel Intake Throttle Position Sensor

P02E7 is a generic OBD-II code defined by SAE J2012. Exact wording and diagnostic procedure vary by manufacturer and model. Code definitions are drawn from the public-domain OBDex dataset; the workshop notes are our own.