SsangYong Actyon Sports II. Service 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