P2015low severityPowertrain

Intake Manifold Runner Position Sensor/Switch Range/Performance Bank 1

on 2019 Mazda Mazda3 2.0L I4 · AWD

What this code means

The intake manifold runner position sensor is reporting values outside the expected range.

Symptoms

  • Check engine light
  • Runner control operates erratically

Common causes

  • Worn sensor
  • Runner linkage worn
  • Intermittent connection
  • Carbon binding flaps

Diagnostic steps

  1. Monitor sensor values during operation
  2. Check for mechanical binding
  3. Inspect linkage

Repair notes

Replace sensor or repair linkage. Clean carbon from flaps.

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