GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 2007 🢒 Colorado Pickup - 2WD 🢒 Engine 🢒 Engine Controls and Fuel - 3.7L 🢒 Mass Airflow Sensor with Intake Air Temperature Sensor Replacement

Removal Procedure

    Object Number: 1900787 Size: SH
  1. Disconnect the electrical connector (1) from the mass air flow (MAF)/intake air temperature (IAT) sensor.

    2. Object Number: 1900788 Size: SH
  2. Remove the 2 screws (1) securing the MAF/IAT sensor to the air cleaner assembly.
  3. Remove the MAF/IAT sensor (2) from the air cleaner assembly.

Installation Procedure

Notice: 

   • 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.


    Object Number: 1900788 Size: SH
  1. Insert the MAF/IAT sensor (2) into the air cleaner assembly.

    2. Notice: Refer to Fastener Notice in the Preface section.

  2. Install the 2 screws (1) securing the MAF/IAT sensor to the air cleaner assembly.

    3. Tighten
    Tighten the MAF/IAT sensor screws to 2.25 N·m (20 lb in).


    Object Number: 1900787 Size: SH
  3. Connect the electrical connector (1) to the MAF/IAT sensor.