2001-2008 Skoda Superb SUV General Maintenance -> Fuel User Manual
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General Maintenance -> Fuel for Your Skoda Superb SUV First Generation (2001-2008)

Fuel 181  
Fuel  
The handling, performance and life of your engine are determined to a significant  
extent by the quality of the fuel. Do not use any petrol additives. Use a fuel  
Petrol  
complying with the standard.  
Grades of petrol  
You can find further information on refuelling page 182, “Refuelling”.  
There are various grades of petrol. Please read page 227 in order to know which  
grade of petrol your vehicle requires. You will also find the same information affixed  
to the inside of the fuel filler flap of your vehicle page 182, fig. 170.  
Caution  
Filling the tank even only once with leaded petrol will result in the catalytic  
converter being destroyed.  
Operating the engine with petrol of a low octane number can result in engine  
A distinction is made between unleaded and leaded petrol. All Škoda vehicles with  
petrol engines are equipped with a catalytic converter and must therefore be only  
driven with unleaded petrol. Unleaded petrol complies with the standard  
DIN EN 228.  
damage at high revolutions or severe engine loading.  
The individual grades of petrol are distinguished by their octane number (RON).  
Please adopt the following procedure if the grade of petrol which you normally use  
is not be available in exceptional circumstances:  
Diesel  
Engines which need unleaded premium petrol 95 RON can also be run on  
unleaded regular petrol 91 RON. This does, however, result in a slight loss in  
performance.  
Type of diesel  
Your vehicle can be operated with diesel fuel, which complies with the standard  
DIN EN 590.  
Engines which need unleaded premium plus petrol 98 RON can also be run  
on unleaded regular petrol 95 RON. This does, however, result in a slight loss in  
performance. You can in exceptional circumstances also use unleaded regular  
petrol of 91 RON in the event that neither unleaded premium petrol of 98 RON nor  
95 RON is available. Refuel as soon as possible with unleaded premium plus of 98  
RON or unleaded premium petrol of 95 RON.  
Fuel additives  
You must not use fuel additives, so-called “flow improvers” (petrol and similar  
products) in diesel fuel.  
If the quality of the diesel fuel is poor, it is then necessary to drain the fuel filter  
more often than stated in the Service schedule.  
If, in an emergency, the only fuel available is one which has a lower octane number  
than that required by the engine then only drive at medium engine speeds and  
lower engine loadings.  
You can find information on refuelling page 182, “Refuelling”.  
You can make unlimited use of fuel which has a higher octane number than that  
required by the engine. There will, however, be no advantages gained by this in  
terms of engine performance and fuel consumption!  
Caution  
Use a fuel complying with the standard. Filling the tank even only once, which  
does not comply with the standard, can result in damage to the fuel system.  
Water which has collected in the fuel filter can result in engine problems.  
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182 Fuel  
Operation in winter  
Refuelling  
Winter-grade diesel fuel  
Refuelling procedure  
A different grade of diesel fuel is available at filling stations in winter than during the  
summer. Using “summer-grade diesel fuel” at temperatures below 0°C can result in  
operational problems because the diesel becomes viscous as a result of paraffin  
separation.  
It is therefore the case that DIN EN 590 prescribes diesel fuel class for certain  
periods of the year which can also be purchased at the corresponding time during  
the year. “Winter-grade diesel fuel” will still operate properly even at a temperature  
of -20°C.  
It is often the case in countries with different climatic conditions that diesel fuels  
available have a different temperature characteristic. Škoda Service Partners and  
filling stations in the country concerned will be able to provide you with informa-  
tion regarding the diesel fuels available.  
Fig. 170 Filler flap with  
cap unscrewed  
Opening the fuel filler cap  
Prewarming fuel  
The vehicle is fitted with a fuel filter prewarming system. This secures operation of  
a vehicle using diesel fuel down to an environmental temperature of -25°C.  
Unlock the fuel filler flap with the switch in the driver door page 35.  
Open the fuel filler flap fully.  
Unscrew the cap by turning it to the left.  
Place the cap onto the top of the fuel filler flap fig. 170.  
Caution  
It is not permitted to add the various fuel additives on the market, including petrol,  
to diesel fuel in order to improve its flow properties.  
Closing fuel filler cap  
Screw on the cap by turning it to the right until it is heard to lock.  
Press the fuel tank flap closed.  
The correct grade of fuel for your vehicle as well as the tyre size and inflation pres-  
sures are stated on a sticker affixed to the inside of the fuel filler flap. Further infor-  
mation on fuel page 181, “Fuel”.  
The fuel tank has a capacity of about 62 litres.  
Fuel 183  
Emergency release of fuel filler flap  
WARNING  
Pay attention to any legal requirements if you do carry a spare canister in the  
vehicle. We do not recommend carrying any fuel canisters in your vehicle for  
safety reasons. The canister can be damaged in the event of an accident and  
fuel may leak out.  
Caution  
Remove any fuel which has spilled onto the paintwork of your vehicle immedi-  
ately - risk of paint damage!  
Fig. 171 Luggage  
compartment: Emer-  
gency release of fuel filler  
flap  
Vehicles fitted with catalytic converter should never be allowed to let the fuel  
tank to run completely empty. An irregular supply of fuel to the engine can result in  
misfiring and unburnt fuel may get into the exhaust system, which may result in  
overheating and damage to the catalytic converter.  
If the electric lock is faulty, you can also unlock the fuel filler flap manually.  
Make sure that the valve is not pressed into the filler tube when inserting the  
Open the boot lid/luggage compartment door.  
pump nozzle into the filler tube. Otherwise you are unintentionally filling up the  
volume, which in case of heat can cause an expansion of the fuel. This can lead to  
an overflow of fuel or damage to parts of the fuel reservoir.  
Unscrew the clip attaching the right-hand side trim panel and pull the  
trim panel off the body.  
The fuel tank is full just as soon as the pump nozzle switches off for the first time,  
provided the nozzle has been operated properly. Do not continue refuelling -  
otherwise the expansion volume is filled up.  
Pull on the loop in direction of arrow in order to unlock the fuel filler  
flap fig. 171.  
WARNING  
When unlocking the fuel filler flap manually, pay attention to sharp edges of  
the body - risk of injury!  
Using the system  
Safety  
Driving Tips  
General Maintenance  
Breakdown assistance  
Technical Data  

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