VW Polo manuals

Volkswagen Polo Owners Manual: Diesel

First read and observe the introductory information and safety warnings

Diesel

Diesel fuel must comply with the European standard EN 590 (in Germany DIN EN 590)  .

The service intervals are shorter if you use diesel with a high sulphur content ⇒ BookletService schedule,  . A Volkswagen dealership will be able to tell you which countries have diesel with a high sulphur content.

Where diesel fuel complying with the EN 590 standard is not available, Volkswagen dealerships and filling stations will have information on which fuels do comply with the EN 590 standard.

Do not mix fuel additives (thinners, or similar additives) with diesel fuel.

Winter diesel

When using summer-grade diesel, difficulties may be experienced at temperatures below 0°C (+32°F) because the fuel thickens due to paraffin separation. For this reason winter-grade diesel is available in countries such as Germany during the cold months. It can be used at temperatures lower than -20°C (-4°F).

In countries with different climatic conditions the diesel sold generally has different temperature characteristics. Check with a Volkswagen dealer or filling stations in the country concerned regarding the type of diesel fuels available.

It is not unusual for a cold diesel engine to be louder in cold temperatures that in warm weather. In addition, exhaust emissions may be tinged with blue while the engine starts and reaches operating temperature. The amount of exhaust fumes depends on the outside temperature.

Filter preheater

Diesel vehicles are equipped with a filter pre-heater system. This ensures that the fuel system remains operational even down to approximately -15°C (+5°F) provided that winter-grade diesel which is safe down to -24°C (-11.2°F) is used.

However, if the fuel has waxed to such an extent that the engine will not start at temperatures below -24°C (-11.2°F) simply place the vehicle in a warm garage or workshop for a while.

WARNING

Never use a start booster. Start boosters may explode or cause the engine to suddenly run at high revs, which can cause serious injuries and engine damage.

NOTICE
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Other materials:

Fuses in the vehicle
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Physical Principles
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