P0071 MINI - Ambient Sensor Rationality Check

Repair Importance Level: 3/3
Repair Difficulty Level: 2/3   
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Possible causes

  • Faulty ambient air temperature sensor
  • Ambient air temperature sensor harness is open or shorted
  • Ambient air temperature sensor circuit poor electrical connection

Possible symptoms

  • Engine Light ON (or Service Engine Soon Warning Light)

P0071 Mini Description

The Powertrain Control Module (PCM) monitors the Ambient Air Temperature Sensor. The PCM sets the OBDII code when the Ambient Air Temperature Sensor is not to factory specifications.
OBDII Code P0071 Mini - Ambient Sensor Rationality Check - AutoCodes.com

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P0071 MINI Comments

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