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Skoda Workshop Service and Repair Manuals

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Removing and installing parts of the activated charcoal filter system > < Testing fuel pump

Octavia Mk1

Check fuel flow rate
Check fuel flow rate
Special tools and workshop equipment required
t  Adapter, e.g. -V.A.G 1318/17A -
t  Measuring vessel
Test conditions
l  Battery voltage at least 12 volts
l  Voltage supply o.k.
l  Fuel filter o.k.
Test sequence
–  Switch off ignition.
–  Connect remote control -V.A.G 1348/3A - with adapter cable -V.A.G 1348/3-2- → Chapter.
–  Remove fuel filler cap from fuel filler neck.
  WARNING
The fuel system is under pressure! Before opening the system lay cleaning cloths around the connection point. Reduce pressure by carefully releasing the connection point.
   
–  Detach fuel return-flow line -2- (press release buttons).
–  Connect auxiliary hose to adapter -V.A.G 1318/17 - and fit onto fuel return line from engine and hold in a measuring vessel.
–  Operate remote control for 15 seconds (press and hold button).
  A10-0140
–  Compare the fuel rate with the specified value.
* Minimum flow rate cm3/15 seconds
** Voltage at fuel delivery unit when engine not running and delivery unit operating (approx. 2 volts less than battery voltage).
  A20-0102

Removing and installing parts of the activated charcoal filter system > < Testing fuel pump