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Skoda Workshop Service and Repair Manuals

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Test feed pressure of fuel pump > < Testing fuel pump

Octavia Mk2

Checking function and voltage supply of fuel pump
Checking function and voltage supply of fuel pump
Special tools and workshop equipment required
t  Measuring tool set, e.g. -V.A.G 1594 C-
Test conditions
l  Battery voltage at least 12 V.
l  Fuses o.k. → Current flow diagrams, Electrical fault finding and Fitting locations.
l  All electrical components such as lights and rear window heater must be switched off.
Test sequence
  Note
t  Observe safety measures when working on the fuel system → Chapter.
t  Observe rules for cleanliness → Chapter.
For the vehicles Octavia II, Superb II
–  Removing rear seat bench → Body Work; Rep. gr.72.
For the vehicles Yeti
–  Remove rear seat bench with brackets → Body Work; Rep. gr.72.
–  Remove floor covering under the rear seat bench.
For all vehicles
   
–  Unclip retaining catches -arrows- of cover for the fuel delivery unit and remove cover.
  Note
For vehicles with auxiliary heating, the plug connection for the dosing pump -V54- must also be disconnected.
–  Switch on ignition.
l  The fuel pump must be heard to start running.
–  Switch off ignition.
If the fuel pump does not run:
–  Continuing searching for faults using a multimeter → Current flow diagrams, Electrical fault finding and Fitting locations.
  A20-1206

Test feed pressure of fuel pump > < Testing fuel pump