SsangYong Actyon Sports II. Manual — part 22
03-8
(4) Loss of pump pressure/flow
Loss of HP pump pressure/flow
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Faulty fuel supply line, or damaged or worn pump causes the lack of flow pressure and flow volume
Example:
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Air in fuel supply line
Excessive load on fuel supply line (←400 mBar)
Burned out and mechanical worn pump
High temperature of fuel supply (> 85℃)
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03-9
2210-01
3) DI Engine Fuel System Pressure Test
(1) Test device (Tool kit)
Device for high pressure
Device for low pressure
(2) Pre-check
Check-tighten fuel supply line
Check fuel level in fuel tank
Check air in fuel supply line (bubble in fuel supply line or fuel)
Check fuel supply line for leaks (low pressure and high pressure)
Check that specified fuel is used
Check fuel filter for contamination
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03-10
(3) DI Engine Fuel System Check Procedure
If several DTCs are output simultaneously, check the electric wiring for open or short circuit.
Check the low pressure fuel system and fuel filter and confirm that there are no abnormalities. Carry
out the high pressure fuel system check.
03-11
2210-01
(4) Fuel System Check Procedure
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