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the LPG flow if the fuel locking inertia
switch is activated.
the pressure regulator allows the
LPG to pass from a liquid state to a
gaseous state through an expansion
chamber and maintains the pressure
required for the operation of the system
at a preset value.
LPG FILTER
The filter, located on the pressure
regulator outlet pipe fig. 74 filters the
gaseous LPG during the LPG injector
supply stage.
LPG INJECTORS
There are four injectors specifically for
LPG on a dedicated bracket on the
cylinder head and connected, via
specific pipes, to the individual intake
ducts fig. 75.
They are supplied with LPG in a
gaseous state at a constant pressure
and are controlled by a specific
electronic control unit.
A gas pressure and temperature sensor
that sends an appropriate electrical
signal in order to determine the LPG
injection time is fitted on the injectors.
ELECTRONIC CONTROL
UNIT
The car has a special electronic control
unit fig. 76, in the engine compartment,
controlling the LPG supply, using the
sensors located on the car.
The control unit for the injectors has the
same strategy as the petrol control unit
(timed sequential Multipoint).
LPG/PETROL SWITCH
This engine normally runs on LPG
except during starting when it runs on
petrol. Switching to LPG is automatic,
the warning light
1 fig. 77 on the
instrument panel, switches off.
If you specifically want to use petrol,
press the button on the dashboard
fig. 78. If the LED located above the
button turns on, it indicates that
74
PGL00007
75
PLG00008
76
PLG00009
77
PGL00022
46
KNOWING YOUR CAR
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