Suzuki GRAND VITARA XL-7 Owner's Manual page 280

Table B-3 Fuel Pressure Inspection
SYSTEM DIAGRAM
1. Injector
2. Delivery pipe
3. Fuel pressure regulator
Special tool
(A) : 09912-58441
(B) : 09912-58431
(C) : 09919-58421
INSPECTION
NOTE:
Before using the following flow table, check to make sure that battery voltage is higher than 11 V. If
battery voltage is low, pressure becomes lower than specification even if fuel pump and line are in
good condition.
Step
1 1) Install fuel pressure gauge, referring to
"FUEL PRESSURE INSPECTION" in Sec-
tion 6E2.
2) Operate fuel pump.
Is fuel pressure then 270 – 310 kPa
(2.7 – 3.1 kg/cm
2
Is 200 kPa (2.0 kg/cm
pressure retained for 1 minute after fuel pump
is stopped at Step 1?
4. Fuel filter
5. Fuel pump
Action
2
, 38.4 – 44.0 psi)?
2
, 28.4 psi) or higher fuel
ENGINE GENERAL INFORMATION AND DIAGNOSIS (H27 ENGINE) 6-1-119
Yes
Go to Step 2.
Go to Step 3.
No
Go to Step 5.
Go to Step 4.