Fuel Leakage Check Procedure - Suzuki 2000 Grand Vitara SQ625 Service Manual

6-1-8 ENGINE (H25 ENGINE)

FUEL LEAKAGE CHECK PROCEDURE

After performing any service on fuel system, check to make sure
that there are no fuel leakages as follows.
1) Turn ON ignition switch for 3 seconds (to operate fuel pump) and
then turn it OFF.
Repeat this (ON and OFF) 3 or 4 times and apply fuel pressure
to fuel line (till fuel pressure is felt by hand placed on fuel return
hose).
2) In this state, check to see that there are no fuel leakages from
any part of fuel system.