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Replace gasket for distributor head > < Replace gasket for metering mechanism

Octavia Mk1

Testing and setting injection rate
Testing and setting injection rate
Special tools and workshop equipment required
t  Vehicle diagnosis, measurement and information system -VAS 5051-
t  Socket insert -T10366-
Test conditions
l  Mechanical basic setting of the engine o.k.
l  Toothed belt tension o.k. → 1.9 ltr./81 kW Engine, Mechanics → Rep. Gr.13.
l  The coolant temperature must be at least 80 °C.
Procedure
–  Connect vehicle system tester -V.A.G 1552- and select engine electronics (address word 01), the engine must be idling → Chapter.
   
Readout on display:
–  Enter 08 for the function “Read measured value block” and confirm entry with the Q key.
  
Vehicle system test               HELP
Select function XX
Readout on display:
–  Select in display 1 - “display group 1” using the keypad.
–  Observe the readout in the display field 2:
   For vehicles ? 04.99: 2.2 ... 9.0 mg/s
   For vehicles 05.99 ?: 3.0 ... 9.0 mg/s
–  Note the readout of the injection rate.
  Note
The injection pump must be set again to the previously noted readout of the injection rate.
If the specified value is not reached:
  
Read measured value block     HELP
Enter display group number XXX
–  Loosen the fixing screws of the metering mechanism -A- and the special screw -B- about 1/4 turn.
–  Observe the readout of the injection rate on the display and move the metering mechanism into the required direction through slight blows with a plastic hammer:
t  In direction of timing belt sprocket: injection rate increases.
t  In direction of distributor head: injection rate decreases.
After reaching the specified value:
–  Tighten the 3 released fixing screws of the metering mechanism and the special screw crosswise to 9 Nm.
  N23-10107

Replace gasket for distributor head > < Replace gasket for metering mechanism