Fiat 500L Owner's Handbook Manual page 139

Thousands of miles
Thousands of kilometres
Years
Visually inspect condition of: methane
pipes and connectors, methane
cylinder fastening, restore if necessary
(Natural Power versions only) (1)
Check pressure regulator and replace
internal filter, if necessary (Natural
Power versions only) (1)
Check fuel system operation and
parameters using self-diagnosis
socket (Natural Power versions only)
Check tightening torque of cylinder
fastening bands (Natural Power
versions only)
Check pressure regulator heating
pipes sealing (Natural Power versions
only)
Check correct fitting of injectors
(positioning, clip retention) (Natural
Power versions only)
(1) Or every year.
9 18 27 36
15 30 45 60
1 2 3 4
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45 54 63 72
75 90 105 120
5 6 7 8
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81 90
135 150
9 10
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137