Suzuki Wagon R Manual page 587

6E-20 ENGINE AND EMISSION CONTROL SYSTEM
9) Remove special tools from fuel delivery pipe.
10) Connect fuel feed hose to fuel delivery pipe and clamp it se-
curely.
11) With engine "OFF" and ignition switch "ON", check for fuel
leaks.
FUEL PUMP WITH PRESSURE REGULATOR
On-Vehicle Inspection
CAUTION:
When fuel filler cap is removed in any procedure, work must
be done in a well-ventilated area, keep away from any open
flames and without smoking.
NOTE:
The fuel pressure regulator is the one body with the fuel pump
assembly so individual inspection of it is impossible.
1) Remove filler cap and turn ON ignition switch. Then fuel pump
operating sound should be heard from fuel filler for about 2 se-
conds and stop. Be sure to reinstall fuel filler cap after checking.
If above check result is not satisfactory, advance to "Diagnostic
Flow Chart B-2".
1. Fuel filler
2. Ignition switch
2) Turn OFF ignition switch and leave over 10 minutes as it is.
3) Fuel pressure should be felt at fuel feed hose (1) for 2 seconds
after ignition switch ON.
If fuel pressure is not felt, advance to "Diagnostic Flow Chart
B-3".
Removal
1) Remove fuel tank from body according to procedure described
in Section 6C and remove fuel pump from fuel tank.
Inspection
Check fuel pump filter for evidence of dirt and contamination. If
present, clean and check for presence of dirt in fuel tank.