2008 Chevrolet Uplander V6-3.9LFACTORY OEM SERVICE PROCEDURE

Air Flow Meter/Sensor: Locations



Powertrain Component Views

Air Intake System Components (LGD/LZ9)

Factory service manual diagram



1 - Mass Air Flow (MAF)/ Intake Air Temperature (IAT) Sensor
2 - Engine Control Module (ECM)
Factory Service Tools

Use the Manual With the Right Hardware

Pair factory procedures with proven DIY tools so the instructions are easier to execute.

Disclosure: Verified tool recommendations may earn an affiliate commission at no cost to you.

When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • β€’ You smell fuel, burning insulation, or see smoke.
  • β€’ Brakes feel soft, pull hard to one side, or make grinding noises.
  • β€’ The engine overheats, stalls repeatedly, or misfires under load.
  • β€’ You are missing required tools, torque specs, or safe lifting equipment.
  • β€’ You are not confident in the next step or safety outcome.