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P00F4 BUICK

P00F4 BUICK - Intake Air Humidity Sensor Circuit Low Voltage

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

  • Faulty Intake Air Humidity Sensor
  • Intake Air Humidity Sensor harness is open or shorted
  • Intake Air Humidity Sensor circuit poor electrical connection

Tech notes

The Intake Air Humidity Sensor is part of the 8-Pin Mass Air Flow, Humidity, BARO and Intake Air Temperature 1 and 2 Sensor.

Possible symptoms

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

P00f4 Buick Description

The Powertrain Control Module (PCM) monitors the Intake Air Humidity Sensor signal. The PCM sets the OBDII code when the Intake Air Humidity Sensor is not to factory specifications.
OBDII Code P00f4 Buick - Intake Air Humidity Sensor Circuit Low Voltage - AutoCodes.com

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