Seat Ibiza: Petrol

Seat Ibiza Owners Manual

Petrol types

The correct petrol types are listed on a sticker inside the fuel tank flap. Only unleaded petrol, corresponding to the standard DIN EN 228, may be used for vehicles with catalytic converters (EN = “European Norm”).

Fuel types are differentiated by the octane rating, e.g: 91, 95, 98 RON (RON = “Regulation Octane Number, unit for determining the knock resistance of petrol”). You may use petrol with a higher octane number than the one recommended for your engine. However, this has no advantage in terms of fuel consumption and engine power. If, in exceptional circumstances, the correct octane rating is not available:

• For engines which require Premium unleaded petrol (95 RON) the following is valid: Regular unleaded fuel with 91 RON can also be used. This can, however, result in a slight loss of power under certain driving conditions.

• For engines which require Premium unleaded petrol (98 RON) the following is valid: Premium unleaded fuel with 95 RON can also be used. This can, however, result in a slight loss of power under certain driving conditions. – If premium unleaded petrol is not available, the engine can be run on regular unleaded petrol with 91 RON as an “emergency measure”. In this case only use moderate engine speeds and a light throttle. Avoid using full throttle. Fill up with premium petrol as soon as possible.

Caution

• Petrol that follows EN 228 may be mixed with small quantities of ethanol. However, the so-called “bioethanol fuels” available at commercial establishments with reference E50 or E85, which contain a high percentage of ethanol, may not be used, as they will damage the fuel system.

• Even one tankfull of leaded fuel would permanently impair the efficiency of the catalytic converter.

• 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.

For the sake of the environment

Just one full tank of leaded fuel would seriously impair the efficiency of the catalytic converter.

Petrol additives

Petrol additives improve the quality of the petrol. The quality of the petrol influences running behaviour, performance and service life of the engine. For this reason you should use good quality petrol containing additives. These additives will help to prevent corrosion, keep the fuel system clean and prevent deposits from building up in the engine. If good quality petrol with additives is not available or engine problems occur, the required additives must be added during refuelling.