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What to do when wrong fuel has
been put into tank.
Premium petrol instead of regular
The engine can be run on premium fuel
with no problems. A worthwhile re-
duction of fuel consumption or increase
in output should however not be ex-
pected.
Regular petrol instead of premium.
In isolated cases the engine can also be
run on regular petrol but the octane rating
must not be under 91 RON. The vehicle
must then only be driven at medium en-
gine speeds and low engine loading. High
engine loading with full throttle or high en-
gine revs can cause engine damage. Fill
tank with 98 RON premium petrol as soon
as possible.
Lead-free premium petro! with 95 RON
instead of leaded premium petrol
The engine can also be run as an ex-
ception on this
fuel.
However the style
of driving must adapted to the lower
antiknock properties of this petrol - see
previous paragraph.
Leaded petrol instead of lead-free
Vehicles with catalyst must not be driven
on leaded petrol because otherwise the
function of the emission control system
is affected considerably - see also page
67.
The fuel system must be emptied, in
accordance with environmental regula-
tions - preferably by a V.A.G workshop.
Petrol instead of diesel
The engine can be run on a concentra-
tion of up to approx. 30% leaded or
lead-
free regular petrol (not premium). How-
ever if premium petrol or a large quantity
of regular petrol has been put in the tank
accidentally, the engine must not be run
otherwise damage will occur. The fuel
system must be emptied bearing in mind
environmental control regulations - pref-
erably by a V.A.G workshop.
Diesel instead of petrol
The engine may not be run on
Diesel.
The
fuel system must be emptied bearing in
mind the environmental control regula-
tions - preferably by a V.A.G workshop.
71
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