Fuel Cut Operation Inspection - Suzuki Liana RH413 Service Manual

1G-4 Fuel System:
7) Measure fuel pressure at idling.
If measured pressure doesn't satisfy specification,
refer to "Fuel Pressure Check in Section 1A" and
check each possibly defective part. Replace if found
defective.
Fuel pressure specification
With fuel pump operating and engine stopped:
270 – 310 kPa (2.7 – 3.1 kg/cm
At specified idle speed: 270 – 310 kPa (2.7 – 3.1
kg/cm 2 , 38.4 – 44.0 psi)
With 1 min. after engine (fuel pump) stop
(Pressure reduces as time passes): Over 250 kPa
(2.5 kg/cm 2 , 35.6 psi)
8) After checking fuel pressure, remove fuel pressure
gauge.
WARNING
!
As fuel feed line is still under high fuel
pressure, make sure to release fuel pressure
according to the following procedures.
• Place fuel container under joint.
• Cover joint with rag and loosen joint nut
slowly to release fuel pressure gradually.
9) Remove special tools from fuel delivery pipe.
10) Connect fuel feed hose to fuel delivery pipe and
clamp it securely.
11) With engine OFF and ignition switch ON, check for
fuel leaks.
2 , 38.4 – 44.0 psi)
I2RH01170032-01

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), A/C is
OFF 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 (2) 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.
S3RH0A1704002
I2RH0B170004-01