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Home >> Isuzu >> 2007 >> i-290 LS, Standard >> Repair and Diagnosis >> External Pages >> Different car >> Section 27 (Engine Control System & Fuel System - 4.6L - Introduction (2 Of 2)) >> Repair Instructions >> Mass Airflow Sensor/Intake Air Temperature Sensor Replacement >> Installation Procedure

Installation Procedure

WARNING: This page is about a different car, the 2007 Cadillac DTS. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:
  • Handle the MAF sensor carefully.
  • Do not drop the MAF sensor in order to prevent damage to the MAF sensor.
  • Do not damage the screen located on the air inlet end of the MAF.
  • Do not touch the sensing elements.
  • Do not allow solvents and lubricants to come in contact with the sensing elements.
  • Use a small amount of a soap based solution in order to aid in the installation.
    Fig 1: Identifying MAF/IAT Sensor Bolts
    GM1670874Courtesy of GENERAL MOTORS CORP.
  1. Install the MAF/IAT sensor.
    2. NOTE: Refer to Fastener Notice .
  2. Install the MAF/IAT sensor bolts.

    Tighten:  Tighten the bolts to 4 N.m (35 lb in).

    3. Fig 2: View Of Air Cleaner Outlet Duct
    GM1670799Courtesy of GENERAL MOTORS CORP.
  3. Install the air cleaner outlet duct.
  4. Tighten the air cleaner outlet duct clamp at the MAF/IAT sensor.

    Tighten:  Tighten the clamp to 4 N.m (35 lb in).

    5. Fig 3: View Of Air Cleaner Outlet Duct To Throttle Body
    GM1670790Courtesy of GENERAL MOTORS CORP.
  5. Tighten the air cleaner outlet duct clamp at the throttle body.

    Tighten:  Tighten the clamp to 4 N.m (35 lb in).

    6. Fig 4: Locating MAF/IAT Sensor Connector
    GM1670786Courtesy of GENERAL MOTORS CORP.
  6. Connect the engine harness electrical connector to the MAF/IAT sensor.
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