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Fuel Cut Operation Inspection

NOTE: Before inspection, check to make sure that gear shift lever is in Neutral position (with A/T model, selector lever in "P" range) and that parking brake lever is pulled all the way up.
  1. Warm up engine to normal operating temperature.
  2. While listening to sound of injector by using sound scope (1) or such, increase engine speed to higher than 3,000 r/min.
  3. Check to make sure that sound to indicate operation of injector stops when throttle valve is closed instantly and it is heard again when engine speed is reduced to less than about 2,000 r/min.
    Fig 1: Listening To Sound Of Injector Using Sound Scope
    G01478893Courtesy of SUZUKI OF AMERICA CORP.
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