2007 FIAT MULTIPLA dashboard

4
Selecting the type of fuel feed
The Natural Power Fiat Multipla has been designed to be normally fuelled
by natural gas.
When the natural gas is running out and the pressure inside the bottle is
nearing the limit of correct operation, switching to petrol fuelling will
take place automatically.
The engine will always be started by petrol fuelling (in order to keep this
type of feed efficient), with automatic switching to natural gas fuelling
after a few seconds.
For this reason, petrol should always be found in the tank.
The control button located on the dashboard (A), represented by
ideograph K, makes it possible to select petrol fuelling. Automatic
switching to natural gas fuelling will not take place in case petrol has run
out.
Manual selection of the operating mode will be actuated only if the
engine speed is lower than 2,000 rpm.
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PIPES
The natural gas pipes are made of galvanized iron and coated with plastic
material.
PRESSURE REDUCER/REGULATOR
The pressure reducer is installed in the engine compartment.
Its function is to reduce the natural gas pressure from the value found in
the bottle to the natural gas injector feed value (approximately 9 bar) and
keep the same constant under any operating condition.
NATURAL GAS INJECTORS
Four special natural gas injectors directly fitted into the cylinder head,
one for each intake manifold; they are fed at a steady pressure
(approximately 9 bar) and operated by the special electronic control unit.
ELECTRONIC CONTROL UNIT FOR NATURAL GAS
SYSTEM
Special electronic control unit for ignition advance and natural gas feed
control.
In the event that the natural gas runs out, the control unit will
automatically manage the shift to the petrol feed mode.
The control unit is located under the dashboard, on the passenger’s side.
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FUEL CUT-OFF SWITCH
The safety switch will be tripped in case of vehicle
collision and will cut off natural gas supply, thus causing
the engine to be switched off.
For further information, refer to the Owner
Handbook, chapter “Dashboard and controls”,
paragraph “Fuel cut-off switch”.ENGINE STARTING
To start the engine correctly, refer to the warnings
and recommendations provided in the Owner
Handbook, chapter “Engine starting”.
Emergency starting
If the Fiat CODE system is not able to deactivate the
engine lock, warning light ¢will remain ON and the
engine won’t start. Refer to the Owner Handbook,
chapter “Emergency starting”.
WARNINGThe Natural Power Fiat Multipla engine is always started by using petrol, even
when the switch is set to the “Natural gas” position; in this case, the green LED on
the switch will indicate that the engine is fuelled by petrol and will remain such
until automatic switching to natural gas has taken place: now, the green LED on
the switch will go out.
Therefore, it is required that reserve fuel is always available in the petrol tank.
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