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Home >> Isuzu >> 2007 >> Ascender RWD >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System & Fuel System - 4.2L - Introduction (2 Of 2) >> Repair Instructions >> Mass Airflow Sensor/Intake Air Temperature Sensor Replacement >> Removal Procedure
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Removal Procedure

IMPORTANT: Use care when handling the mass air flow/intake air temperature (MAF/IAT) sensor. Do not dent, puncture or otherwise damage the honeycell located at the air inlet end of the MAF/IAT. Do not touch the sensing elements or allow anything including cleaning solvents and lubricants to come in contact with them. Use a small amount of a non-silicone based lubricant, on the air duct only, to aid in installation.
    Fig 1: Identifying MAF/IAT Sensor Harness Connector
    GM1656804Courtesy of GENERAL MOTORS CORP.
  1. Disconnect the engine harness electrical connector (5) from the MAF/IAT sensor.
    2. Fig 2: Identifying MAF/IAT Sensor Screws
    GM1656806Courtesy of GENERAL MOTORS CORP.
  2. Remove the MAF/IAT sensor screws.
  3. Remove the MAF/IAT sensor.
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