2011 Lexus IS 350 Base, AWDFACTORY OEM SERVICE PROCEDURE

Mass Air Flow Meter: Removal: Removal

  1. REMOVE COOL AIR INTAKE DUCT SEAL  . Refer to REMOVAL - Step 1
  2. REMOVE ENGINE ROOM SIDE COVER RH  . Refer to REMOVAL - Step 3
  3. REMOVE MASS AIR FLOW METER 
    1. Disconnect the MAF meter connector.
      Fig 1: Identifying MAF Meter Connector
      GTY101638Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Remove the 2 screws and MAF meter.
      Fig 2: Identifying MAF Meter & Screws
      GTY132444Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    3. Remove the O-ring from the MAF meter.
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When to See a Mechanic

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

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