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Home >> Suzuki >> 2009 >> Grand Vitara 2WD V6-3.2L >> Repair and Diagnosis >> Powertrain Management >> Fuel Delivery and Air Induction >> Testing and Inspection >> Fuel Cut Operation Check
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Fuel Cut Operation Check

Fuel Cut Operation Inspection

NOTE: Before inspection, make sure that shift select lever is in "P" range, A/C is off and parking brake lever is pulled all the way up.

1. Warm up engine to normal operating temperature.
2. While listening to sound of injector (2) by using sound scope (1) or such, increase engine speed to higher than 3,000 r/min.






3. Check to make sure that injector operation sound is stop when throttle valve is closed instantly and it is heard again when engine speed is reduced to approx. 2,000 r/min or less.