User Manual - Page 308

For LEON 2022.

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306
Fuel and exhaust gas cleaning
1)
This motor is only available in some markets.
2)
Depending upon country.
NOTICE
Fuels with a high percentage of ethanol,
e
.g. E30 - E100 button must not be used. The
fuel system would be damaged.
A single refuelling with leaded fuel or other
metal additives entails a permanent deterio-
ration of the eectiveness of the catalytic
converter.
Only use fuel additives that have been ap-
proved by SEAT. The products that contain
substances to increase the octane rating or
decrease knocking may contain metal addi-
tives that damage the engine and catalytic
converter. This type of products must not be
used.
Do not use fuels shown in the pump as
containing metals. LRP (lead replacement
petrol) fuels contain high concentrations of
metal additives. Risk of engine damage!
High engine speed and full throttle can
damage the engine when using petrol with
an octane rating lower than the correct
grade for the engine.
Note
Fuel with an octane rating higher than the
one r
equired by the engine can be used.
In countries in which there is no sulphur-
free fuel, it is also allowed to use low sulphur
content fuel.
Ethanol fuel
V
alid for: vehicles with Totalflex engines
You can recognise vehicles with Totalflex en-
gines
1)
by label on the fuel tank lid with the
marking “Petrol/ethanol”.
Vehicles with Totalflex engine can run with un-
leaded petrol (95 octane / 91 AKI) according
to ANP No. 57 and with fuels with any high per-
centage of ethanol. The vehicle is refuelled in
the same way as petrol refuelling.
Also consider that ›››page305, Type of petrol.
Note
SEAT recommends filling the t
ank exclusively
with petrol every 10,000 km to decrease im-
purities that using E100 ethanol fuel might
have left in the engine.
Diesel
Valid for: vehicles with diesel engines
Please note the information on the inside of the
fuel tank flap.
The diesel can thicken at very low tempera-
tures, thus aecting the start or operation of
the engine. Ask your service station attendant if
their diesel is suitable for winter use.
Water in the fuel filt
er
2)
If your vehicle has a diesel engine and is equip-
ped with a fuel filter with a water separator,
the instrument panel may display the following
warning:
Water in the fuel filter.
If this is the case
, take the vehicle to a special-
ised workshop so that they can drain the fuel
filter.
NOTICE
Never use of FAME (biodiesel that does not
meet the EN590 st
andard), petrol, heating
oil, other fuels or thinning agents as they can
cause severely damage the fuel system and
the engine.
If the wrong fuel has been filled, do not
start the engine under any circumstances.
Risk of damaging the fuel system and the en-
gine! Seek professional assistance.
Natural gas
Valid for: vehicles with natural gas engines
Natural gas can be compressed or in liquid
form, addition to others.
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