OBD-II reference

All 9.533 generic OBD-II codes, explained in detail.

Causes, inspection steps and sources — a comprehensive DIY archive. Created and maintained with love for the detail. Good luck and have fun!

Powertrain generic / SAE

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.

SystemPowertrain
Typegeneric / SAE
GroupP0
Range / number2 / E7

Possible causes

  • Sensor drift high
  • Sensor element aged beyond calibration window low
  • Sensor mounting loose - signal damping low

Inspection / repair

  • Difficulty: medium
  • DIY: possible
  • Estimated cost: 60–500 €
  • Estimated time: 0.5–2.5 h
  • Component: diesel intake throttle position sensor
  • MIL / check engine light
  • emissions-relevant

Sources

References

How to read OBD-II codes

The first letter names the vehicle system, the second digit distinguishes generic from manufacturer-specific, the remaining digits group fault area and number.

PPowertrain: engine, transmission, emissions
BBody: chassis trim, comfort, interior
CChassis: suspension, brakes, steering
UNetwork: CAN, control modules, communication