sensor FIAT IDEA 2008 1.G LPG Supplement Manual
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Page 11 of 24
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FIAT IDEA LPG
PAPER FILTER
The filter fig. 5, located on the pressure
regulator outlet pipe, has the task of fil-
tering the LPG in a gaseous state during
the LPG injectors supply stage.
fig. 5F0H0777m
LPG INJECTORS
There are four injectors Fig. 6, specially
designed for LPG, mounted on the intake
manifold near the cylinder head, one for
each inlet duct; they are supplied with LPG
in a gaseous state at a constant pressure
and are controlled by a specific electron-
ic control unit.
A gas pressure and temperature sensor
mounted on the injectors sends an ap-
propriate electrical signal in order to de-
termine the LPG injection time.
fig. 6F0H0779m
603_97_611_IDEA_GPL_GB_1ed 15-12-2009 12:07 Pagina 11
Page 18 of 24
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FIAT IDEA LPG
LPG FUEL SYSTEM
Electronic injection with special LPG injec-
tors.
Type: Phased, sequential, multipoint.
Stoichiometric metering of the air/gas mix-
ture.
Engine idle speed: 700 ± 50 rpm
The LPG injection system is controlled by
a dedicated control unit (connected to the
petrol one) using the sensors already on
the car.
IGNITION
Static advance, electronic, integrated with
the injection.
PERFORMANCE
Top speed in km/h.
Running on petrol: 163
Running on LPG: 163
Modifications or repairs to
the fuel feed system that are
not carried out properly or do not
take the system’s technical specifica-
tions into account can cause mal-
functions leading to fire risk.
WARNING
GENERAL FEATURES 1.4
Engine identification code 350A1000
Cycle Otto
Number and layout of cylinders 4 in line
Piston bore and stroke mm 72 x 84
Total displacement cm31368
Compression ratio 11.1 : 1
LPG Petrol
kW 57 57
Max. EEC power HP 77 77
at a speed of rpm 6000 6000
Nm 115 115
Max. EEC torque kgm 11.7 11.7
at a speed of rpm 3000 3000
Spark plugs NGK ZKR7A-10
Fuel
LPGGreen petrol
unleaded
95 RON
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