FOX 2004 ➤
3 - Cyl. injection engine - Edition 12.2009
♦ For safety reasons, before opening the fuel system, remove
fuse number 33 from fuse holder, as the Fuel pump (pre-sup‐
ply pump) -G6- can be activated.
♦ Do not touch nor disconnect ignition cables with the engine in
operation or upon start.
♦ Only connect or disconnect thelkinjection and ignition system
cables, including measurement device cables, with the ignition
switched off.
If, in drive tests, it is necessary to use measurement and test de‐
vices, consider the following:
♦ The measurement and test devices must be fastened to the
back seat and operated by another mechanic from then on.
If the measurement and test devices are operated from the front
passenger seat, the person seating there could be injured by the
passenger airbag being triggered, in case of an accident.
♦ To make the engine rotate with the starter, without running it:
– Disengage 4-pole connectors from Ignition coil 1 with final
power stage -N70- , Ignition coil 2 with final power stage -
N127- and Ignition coil 3 with final power stage -N291-
-arrows-.
– Disconnect coupling connectors -arrows- from cylinder 1 in‐
jector -N30- , cylinder 2 injector -N31- and cylinder 3 injector -
N32- .
– Remove fuse 33 from fuse holder.
1.8
Cleaning rules
To carry out fuel supply/injection works, consider the following “5
cleaning” rules thoroughly:
1. Injection system - repair
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