Fuel Pressure Check - Suzuki Grand Vitara 2011 Manual

Fuel Pressure Check

System Diagram
Special tool
(A): 09912–58442
(B): 09912–58432
(C): 09912–58490
2
1
(A)
1. Injector
Troubleshooting
NOTE
Before using following flow, 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 Fuel pump operating sound check
1) Remove fuel filler cap and then turn ON ignition switch.
Can you hear operating sound?
2 Fuel pressure check
1) Check fuel pressure referring to "Fuel Pressure
Inspection: For Petrol Engine Model in Section 1G".
Is check result satisfactory?
3 Fuel pressure check
1) Start engine and warm it up to normal operating
temperature.
2) Keep engine speed at 4000 rpm.
Does fuel pressure show about the same value as Step 2?
4 Fuel line check
1) Check fuel pipe, fuel hose and joint for fuel leakage.
Are they in good condition?
Engine General Information and Diagnosis: For Petrol Engine Model 1A-252
3
(C)
(B)
2. Delivery pipe 3. Fuel pressure regulator
Action
4
4. Fuel filter and fuel pump
Yes
Go to Step 2.
Go to Step 3.
Go to Step 4.
Go to Step 5.
S6JB0A1114084
I2RH01110133-01
No
Go to "Fuel Pump and
Its Circuit Check: For
Petrol Engine Model".
Go to Step 6.
Go to Step 8.
Repair or replace
defective part.