Suzuki Wagon R Plus RB310, Service Manual

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ENGINE AND EMISSION CONTROL SYSTEM (M13 ENGINE) 6E2-23
8) After checking fuel pressure, remove fuel pressure gauge.
9) Remove special tools from fuel delivery pipe and fuel feed
hose.
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.
Fuel pump with pressure regulator on-vehicle inspec-
tion
1) Remove filler cap and turn ON ignition switch. Then fuel
pump operating sound should be heard from fuel filler for
about 2 seconds and stop. Be sure to reinstall fuel filler cap
after checking.
If above check result is not satisfactory, advance to “Diag-
nostic Flow Table B-2” in Section 6-2.
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 about 2
seconds after ignition switch ON.
If fuel pressure is not felt, advance to “Diagnostic Flow Table
B-3” in Section 6-2.
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.
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 impossi-
ble.
1. Fuel filler
2. Ignition switch
1