Suzuki Baleno Manual page 1450

6-2-102 ENGINE GENERAL INFORMATION AND DIAGNOSIS (J18 ENGINE WITH WU TWC)
TABLE B-3 FUEL PRESSURE CHECK (Page 2 of 2)
STEP
7 Was no fuel pressure applied in Step 1?
8 With fuel pump operated and fuel return hose
blocked by pinching it, is fuel pressure applied?
9 1) Operate fuel pump.
2) With fuel return hose blocked by pinching it, check
fuel pressure.
Is it 450 kPa (4.5 kg / cm
10 1) Disconnect fuel return hose from pressure
regulator and connect new return hose to it.
2) Insert the other end of new return hose into
approved gasoline container.
3) Check again if specified pressure is obtained.
While doing so, does fuel come out of return hose?
ACTION
2
, 63.9 psi) or more?
YES
Go to Step 8. Go to Step 9.
Faulty fuel pressure Shortage of fuel or fuel
regulator. pump or its circuit
malfunction (refer to
TABLE B-2 FUEL PUMP
AND ITS CIRCUIT
CHECK).
Faulty fuel pressure Clogged fuel filter,
regulator. Restricted fuel feed hose
or pipe, Faulty fuel pump
or Fuel leakage from
hose connection in fuel
tank.
Faulty fuel pressure Fuel leakage from
regulator. injector, Fuel leakage
from between injector
and delivery pipe, Faulty
fuel pump (faulty check
valve in fuel pump) or
Fuel leakage from fuel
pressure regulator
diaphragm.
NO