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Idle Speed: Inspection

  1. Before checking the idle speed, check the following item:
    1. Check the air cleaner element is free from clogging, ignition timing is correct, spark plugs are in good condition, and hoses are connected properly.
    2. Check the malfunction indicator light does not illuminate.
  2. Warm up the engine.
  3. Read the engine idle speed using Subaru Select Monitor. Ref. to ENGINE (DIAGNOSTICS) (H4DO)>DATA MONITOR>OPERATION .
    NOTE:
    1. Check the idle speed when no-loaded. (Headlight, blower fan, rear defroster, radiator fan, A/C etc. are OFF)

      Idle rpm (no load and select lever in "P" or "N" range): 

      Standard 

      675±100 r/min

    2. Check the idle speed when loaded. (Turn the A/C switch to ON and operate the compressor for at least one minute before measurement.)

      Idle rpm (A/C ON and select lever in "P" or "N" range): 

      Standard 

      800 - 900±50 r/min