P0071: Ambient Air Temperature Sensor Range/Performance

MediumPowertrainEngine/Powertrain

What does P0071 mean?

P0071 is a diagnostic trouble code indicating "Ambient Air Temperature Sensor Range/Performance". The sensor or component is providing readings, but they fall outside the expected operating range. The part may be degraded, contaminated, or experiencing intermittent issues affecting engine/powertrain performance.

Common causes

  • Worn or contaminated engine/powertrain component
  • Vacuum leak or intake air leak
  • Clogged filter or restricted flow
  • Intermittent electrical connection issue

What should you do?

Schedule a diagnostic appointment at your earliest convenience. The vehicle is generally safe to drive short distances, but the underlying issue should be addressed to prevent it from worsening.

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Related codes

P0070Ambient Air Temperature Sensor Circuit
P0072Ambient Air Temperature Sensor Circuit Low Input
P0073Ambient Air Temperature Sensor Circuit High Input
P0074Ambient Air Temperature Sensor Circuit Intermittent/Erratic