P0236moderate severityPowertrain

Turbocharger/Supercharger Boost Sensor A Range/Performance

on 2011 Subaru Impreza 2.5L H4 · AWD

What this code means

The boost pressure sensor A reading is out of expected range.

Symptoms

  • Check Engine Light
  • Incorrect boost levels
  • Poor performance

Common causes

  • Sensor fault
  • Boost leak
  • Blocked sensor port

Diagnostic steps

  1. Compare sensor to actual boost
  2. Check for boost leaks
  3. Clean sensor port

Repair notes

Replace sensor or repair boost leak.

Other Powertrain codes on this vehicle

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