Check The Fuel System For Tightness - Skoda Octavia III 2013 Workshop Manual

Octavia III 2013 ➤ , Octavia III 2014 ➤
1.6/66; 77; 81; 2.0/105; 110; 135 kW TDI CR engine - Edition 07.2014
In order to fill up the high pressure pump with fuel, proceed as
follows:
• Vehicle must be refuelled.
– Connect vehicle diagnosis tester and switch on ignition sys‐
tem.
– Perform Targeted Function
,
unit bleed fuel system
• The fuel pump activates.
• The fuel pump must run for approximately 3 minutes to ensure
that the pump is sufficiently filled with fuel.
– After filling the fuel system, start the engine.
– Run the engine at medium speed for several minutes, then
turn it off again.
– Test fuel system for tightness
⇒ "1.4 Check the fuel system for tightness", page 322
– Delete event memory entry with Vehicle diagnosis tester .
– Then conduct test drive with at least one full load acceleration.
– Then check high-pressure area again for tightness.
Note
If there is still air in the fuel system the engine may enter dry-
running operation during the test drive. Switch off engine and
delete the event memory. Then continue the test drive.
– Delete event memory entry with Vehicle diagnosis tester .
1.4

Check the fuel system for tightness

– Let the engine run at idling speed for a few minutes.
– Carry out a visual inspection of the complete fuel system for
leaks after switching off the engine.
If there is leakage despite the correct tightening torque:
– Replace the affected component part and repeat the test se‐
quence.
If no leaks are found:
– Carry out a test drive with minimum one full load acceleration
up to max. speed.
– Then once again carry out a visual inspection of the complete
fuel system for leaks.
322
Rep. gr.23 - Mixture preparation - injection
Activate fuel delivery
.
.