FOX 2004 ➤
3 - Cyl. injection engine - Edition 12.2009
– Replace damaged injection valve ⇒ page 90 .
Injection valves are installed in the reversed order. Please note
the following:
•
All of the injection valve sealing rings must be replaced and
slightly lubricated with clean engine oil.
•
Install the fuel distributor, with injection valves locked, on the
intake manifold and fasten it evenly.
2.1.6
Injection valve flow - check
– Connect one injection valve contact, to be checked, to the
motor earth strap with Auxiliary measuring cable set -VAG
1594C- .
lk
– Connect the other injection valve contact with Remote control
-VAG 1348/3A- and Adapting cable -VAG 1348/3-2- to the
Battery - A- positive terminal.
– Turn ignition on; Fuel pump (pre-supply pump) -G6- must
work:
– Remove three graduated containers from the Flow compari‐
son meter -VAG 1602- .
– Remove fuel distributor from intake manifold.
– Place the injection valve to be checked in a graduated con‐
tainer.
– Remove the connectors from the injection valves that are not
being tested.
– Activate the Remote control -VAG 1348/3A- once more for 30
seconds.
– Do the same for the remaining injection valves.
Note
Use one graduated container for each injection valve.
– After all injection valves have been tested, place graduated
containers over a flat surface and compare the injection flow.
Nominal value: 85...91 ml per each valve.
If the measured values of one or more injection valves are above
or below the nominal value:
– Replace damaged injection valve.
2. Check components
97
English 
