Suzuki Engine 2002 GRAND VITARA SQ420 Service Manual page 663

6E1-32 ENGINE AND EMISSION CONTROL SYSTEM (G16/J20 ENGINES)
Fuel pressure specification
CONDITION
With fuel pump operating and
engine stopped
At specified idle speed
With 1 min. after engine (fuel
pump) stop (Pressure
reduces as time passes.)
7) After checking fuel pressure, remove fuel pressure gauge.
CAUTION:
As fuel feed line is still under high fuel pressure, make
sure to release fuel pressure according to following pro-
cedures.
• Place fuel container under joint.
• Cover joint with rag and loosen joint nut slowly to
release fuel pressure gradually.
8) Install plug bolt to fuel delivery pipe.
Use new gasket.
Tighten it to specified torque, using backup wrench.
Tightening torque
Fuel delivery plug bolt
(a) : 30 N·m (3.0 kg-m, 22.0 lb-ft)
9) With engine "OFF" and ignition switch "ON", check for fuel
leaks.
FUEL PRESSURE
250 – 300 kPa
2
(2.5 – 3.0 kg/cm ,
35.6 – 42.7 psi)
210 – 260 kPa
2
(2.1 – 2.6 kg/cm ,
29.8 – 37.0 psi)
over 180 kPa
2
1.8 kg/cm , 25.6 psi)