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03-18
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Pressure leak test in fuel system with scan tool
1.
When the dynamic test for injector backleak is performed, this test should be done together
with it. However, you can check the pressure leak from the fuel system only with this test.
2.
To do this test, the coolant temperature should be over 60˚C. Check the conditions of sensors
and components in fuel system with scan tool.
3.
Perform the diagnostic test as follows:
-
Select the "Vehicle Model" and go to "Diagnosis Mode".
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Select "Pressure Leak Test in Fuel System" in "Diagnosis Menu".
-
If the conditions are OK, press "Start".
The pressure leak test procedure is performed in 4 cycles. The engine speed goes up
to 3,500 rpm and down again four times for 18 seconds. If the system is OK, the
"System OK" message will be displayed.
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