Fuel Cut Operation Inspection

WARNING: When performing the following procedure, be sure to observe Precautions on Fuel System Service and PRECAUTIONS FOR ENGINE in order to reduce the risk of fire and personal injury.

For CVT model, place select lever in "P" and apply parking brake.
For M/T model, place gear shift lever in "Neutral" and apply parking brake.
Warm up engine to normal operating temperature.
While listening to sound of injector (2) by using sound scope (1) or the like, increase engine speed to higher than 3, 000 RPM.

Fig 1: Identifying Injector And Sound Scope
Courtesy of SUZUKI OF AMERICA CORP.
Check that injector operation sound stops when throttle valve is closed instantly and it is heard again when engine speed is reduced to Approx. 2, 000 RPM or less.