Get Knowing Your Car -> Version with LPG System Guide for Fiat 500 C 2 Door Second Generation (2021-2025)

33) For safety reasons, the bonnet must

always be properly closed while the car is

travelling. Make sure that the bonnet is

properly closed and that the lock is

engaged. If you notice when driving that

the bonnet has not been properly locked,

stop immediately and close the bonnet

correctly.

Although the LPG system has

VERSION WITH LPG

SYSTEM

numerous safety features, it is advisable

to proceed as follows every time the

car is not in use for a long period or

moved in an emergency as a result of a

fault or accident:

25)

INTRODUCTION

unscrew the fixing devices A fig. 41,

then remove the cover B;

34) Use both hands to lift the bonnet.

Before lifting, check that the windscreen

wiper arms are not raised from the

windscreen, that the vehicle is stationary

and that the handbrake is engaged.

The "LPG" version of the car features

two fuel systems, one for petrol and

one for LPG. Like the petrol system, the

LPG system is timed, sequential

multipoint type with special injectors.

PASSIVE SAFETY / ACTIVE SAFETY

35) 36)

26) 27)

Passive safety

F0S0541

The car has the same passive safety

specifications as other versions. In

particular, the tank mountings (located

in the spare wheel housing) have been

designed to exceed the Fiat safety

standards for impact tests.

close the LPG cock by rotating the

knurled ring nut C fig. 42 clockwise;

Active safety

The car has the same active safety

specifications as other versions.

F0S0531

refit the cover and retighten the

fastening devices.

The liquid, which cannot be

type of gas for which it is designed

(LPG);

compressed, dilates by around 0.25%

for each increase in temperature of

one degree. For this reason a suitable

free gap allowing the increase in volume

of the liquid for all expected

temperature increases is guaranteed

(e.g. car parked in the sunshine in

summer), without compromising tank

integrity.

A safety valve has been fitted to this

end, to automatically limit the refilling of

the tank (during refuelling) to a

maximum level of 80% (liquid) of its

total capacity.

name of tank manufacturer;

LPG TANK

tank commissioning pressure (30

bar);

28)

The car has a (pressurised) tank A fig.

43 for accumulating LPG in a liquid

state. It is ring-shaped and located in

the spare wheel compartment with

suitable protection.

maximum refilling percentage (80%);

tank dimensions;

rated tank capacity in litres;

tank manufacture date (month/year);

tank serial number.

LPG/PETROL SWITCH

37)

29)

LPG tank certification

It is located in the centre tunnel fig. 44

and includes:

The LPG tank is certified in accordance

with the regulations in force.

A petrol/LPG switch.

In Italy, the tank has a life of 10 years

starting from the car registration date. If

the vehicle has been registered in a

country other than Italy, the duration

and the testing/inspection procedures

of the LPG tank can vary depending on

the national laws of that country. In all

case, when the time limit for your

country has expired, go to a Fiat Dealer

to have the tank replaced.

B LPG quantity indicator; 5 LEDs,

four green and one orange to indicate

reserve. The orange LED turns on when

only one green LED is on.

F0S0533

The LPG in the tank is always in both a

liquid and gaseous state, in physical

balance between the two stages.

C petrol operating mode indicator:

orange LED next to the switch A.

This function is controlled directly by

the LPG control unit.

D LPG operating mode indicator:

green LED next to the switch A. This

function is controlled directly by the

LPG control unit.

The tank identification data are printed

on the tank, under the multivalve unit:

type-approval country identification

and type-approval number;

If the LPG runs out, the system

automatically switches to petrol: the

orange LED C next to the switch

comes on and the green LED D

indicating LPG operation goes off.

When the car is refuelled with LPG after

a standard start-up on petrol, the fuel

system automatically returns to LPG:

the orange LED C next to the switch

goes off and the green LED D for LPG

operation turns on.

If you specifically wish to run on petrol,

press the switch A on the right-hand

side.

The amber LED C next to the switch

will turn on to indicate that switching

has taken place (the LPG fuel system

has been entirely disabled).

The fuel supply can only be returned to

LPG by operating switch A again,

green LED D next to the switch will turn

on to indicate that switching has taken

place.

In addition, when starting at outside

temperatures below approximately

–10°C, the switching times from petrol

to LPG increase to allow the pressure

regulator/reduction unit to heat up.

30)

WARNING

35) Note that in some countries (including

Italy) there are legal restrictions in force

for parking/garaging motor vehicles fuelled

by gas that is denser than air; LPG comes

under this category.

F0S0673

36) If gas is smelt, switch from LPG

operation to petrol operation and

immediately go to a Fiat Dealership to have

the vehicle checked and possible system

faults excluded.

IMPORTANT If the ignition key is turned

to MAR, all the device LEDs will stay

on for approximately 4 seconds (check

function).

Engine starting always occurs on petrol;

then, depending on the position of the

switch A fig. 44 the following occurs:

37) Do not switch between the two

operating modes whilst starting the engine.

38) The LPG supply system is equipped

with a "consumption" function linked to the

LED display of LPG level on the switch;

this function activates only after a

consistent variation in fuel level has been

detected. It is therefore advisable to fill

up with fuel at the first LPG refuelling

to obtain a more "precise" indication of the

level.

the switch A pressed on the right

side (identified by the symbol)

indicates petrol operation with

activation of the associated amber LED

switch A pressed on the left side

(identified by the symbol G) indicates

LPG operation with activation of the

associated green LED D.

Five LEDs B (one amber and four

green) on the top part of the switch

display the amount of LPG in the

cylinders.

IMPORTANT If switching takes place

during acceleration or pick-up, there

may be a brief drop in power.

38)

28) Periodically (at least once every six

months), it is advisable to let the LPG in the

tank run out and, at the next refuelling,

check that it does not exceed the

WARNING

maximum capacity of 30.5 litres (reserve

included) (with a tolerance of 2 litres

excess) (see instructions in the "Capacities"

paragraph). If the level is above 30.5 litres

(reserve included) contact a Fiat Dealership

immediately.

25) The system operates at temperatures

ranging between −20°C and 100°C.

26) The car is equipped with a gaseous

LPG injection system designed specifically

for it: it is therefore absolutely forbidden

to alter the configuration of the system or

its components. The use of other

components or materials could cause

malfunctions and lead to a reduction in

safety; therefore, in the case of problems,

contact a Fiat Dealership. To prevent

damage to the gas system parts when

towing or raising the vehicle, follow the

instructions in the "Towing the vehicle"

paragraph of the Owner Handbook.

29) In particular usage conditions, such as

starting and operation at low ambient

temperature or LPG supply with low

propane content, the system may switch

temporarily to petrol operation, without

a visual indication of switching on the

selector. If the level of LPG in the tank is

low or there is a request for high

performance (e.g. overtaking, car fully

laden, steep hills): the system can

27) When painting in an oven, the LPG

tank must be removed from the car and

later refitted by a Fiat Dealership. Although

the LPG system has numerous safety

features, it is advisable to proceed

as follows every time the vehicle is not in

use for a long period or moved in an

emergency as a result of a breakdown or

accident: unscrew the fastening devices A

fig. 41, then remove the cover B. Close

the LPG cock rotating the ring nut C

clockwise fig. 42; refit the cover and tighten

the fixing devices.

automatically switch to petrol operation to

guarantee the required engine

performance; in this event, the performed

switching is shown by the orange (petrol)

LED lit and the green (LPG) LED off on the

switch. When the above conditions stop,

the system automatically restores the LPG

operation; the orange (petrol) LED turns

off and the green (LPG) LED is lit on the

switch. To achieve the automatic switching

described above, make sure that there is

always enough fuel in the petrol tank.

30) It is strictly forbidden to use any

additive in the LPG.

Knowing Your Car -> Version with LPG System for Your Fiat 500 C 2 Door Second Generation (2021-2025)

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