Skoda Octavia III 2013 Workshop Manual page 287

– Check that all hose connections are connected -arrows-.
If no fault is found
– Replace fuel delivery unit
⇒ "2.8 Removing and installing fuel delivery unit", page 232
2.17.2 Checking fuel delivery rate
Special tools and workshop equipment required
♦ Pressure gauge - VAS 6551-
♦ Adapter set - VAS 6551/5-
♦ Disassembly wedge - 3409-
♦ Hose binding claw - V.A.G 1921-
♦ Pressure control valve - VAS 6551/6-
♦ Measuring container, capacity at least 3 litres
WARNING
Ensure that when the battery is connected the fuel pump can‐
not be activated by the opening door! Fuel can spill out when
the system is open.
Test conditions
• Connect battery charger, the battery voltage must be at least
12.5 volts ⇒ Electrical System; Rep. gr. 27 .
• Fuses o.k. ⇒ Current flow diagrams, Electrical fault finding and
Fitting locations.
• Fuel pump control unit - J538- OK ⇒ Vehicle diagnostic tester.
• Fuel filter o.k.
•
1
Fuel tank at least / 2 full.
• Ensure level vehicle positioning.
• All electrical consumers such as the lights and rear window
heater must be switched off.
• Fuel pressure OK
⇒ "2.17.1 Checking fuel pressure", page 273
1.6/66; 77; 81; 2.0/105; 110; 135 kW TDI CR engine - Edition 07.2014
.
Octavia III 2013 ➤ , Octavia III 2014 ➤
.
2. Removing and installing parts of the fuel supply system
279