Petrol Additives; Diesel; Winter Diesel - Volkswagen Tiguan Owner's Manual

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Bedienungsanleitung < Service & Zubehör < Volkswagen Deutschland
http://www.vw-manual.co.uk/browse?7&token=deniol2172xjKhhhjJ3Pby9gS&lang=en-GB&doc=5NA012720AB&link=3&preventShowIndivisualManualMessage=true[27/10/2016 22:58:22]
Where petrol complying with the specified standard is not available, Volkswagen dealerships will have information on what fuels are suitable for
the vehicle.
The petrol grades differ with respect to the octane number. The vehicle may be filled with petrol that has a higher octane number than the engine
requires. However, this does not provide any advantage in terms of fuel consumption or engine output.

Petrol additives

The petrol quality affects the running properties, performance and service life of the engine. This is why the vehicle should be refuelled with good
quality fuel that has already been mixed with the proper additives by the manufacturer. These petrol additives will help to prevent corrosion, keep
the fuel system clean and prevent deposits from building up in the engine.
If faults potentially related to fuel characteristics arise while the is vehicle in motion, we recommend that you go to a qualified workshop.
Volkswagen recommends using a Volkswagen dealership for this purpose. Special cleaning service additives are available from Volkswagen
dealerships. These can help remedy malfunctions caused by deposits in the engine and fuel system. Only use Volkswagen-approved service
additives in the approved quantity.
The use of unsuitable petrol additives can cause considerable damage to the engine and catalytic converter. Metallic additives should be
avoided at all times. Petrol additives that are intended to improve knock resistance or increase the octane number can also contain metallic
additives. Therefore fuel additives sold separately should generally not be used
NOTICE
Before filling up with petrol, check whether the fuel corresponds to the vehicle's requirements according to the fuel standard information at
the pump.
Only use fuel that complies with the specified standard and has the correct octane number. Otherwise, the engine and the fuel system can
suffer considerable damage. The engine can also lose power or fail.
If, in an emergency, you have to use petrol with an octane number lower than the recommended number, drive at medium engine speeds
and avoid high engine loading. Avoid high engine speeds and heavy engine loads. Failure to do so can result in engine damage. Fill the
tank with petrol with the correct octane number as soon as possible.
The use of unsuitable petrol additives can cause considerable damage to the engine and catalytic converter.
Fuels that are identified at the fuel pump as containing metallic additives may not be used. LRP fuel also contains high concentrations of
metallic additives. Risk of engine damage!
Just one tankful of leaded fuel, or fuel containing other metallic additives, can seriously impair the efficiency of the catalytic converter and
can also cause considerable damage to the catalytic converter and engine.

Diesel

First read and observe the introductory information and safety warnings
Diesel
Diesel must comply with European standard EN 590. Where diesel complying with the specified standard is not available, Volkswagen
dealerships will have information on what kind of diesel is suitable for the vehicle.
The fuel quality affects the running properties, performance and service life of the engine. This is why the vehicle should be refuelled with good
quality fuel that has already been mixed with quality-enhancing additives by the manufacturer.
If you use diesel fuel with a high sulphur content, the service intervals are shorter ⇒ Booklet Service schedule , . A Volkswagen dealership will be
able to tell you which countries have diesel with a high sulphur content.
Separately available fuel additives, flow improvers, or similar agents may not be mixed with the diesel. If faults potentially related to fuel
characteristics arise while the is vehicle in motion, we recommend that you go to a qualified workshop to have the fault analysed. Volkswagen
recommends using a Volkswagen dealership for this purpose. Special cleaning service additives are available from Volkswagen dealerships.
These can help remedy malfunctions caused by deposits in the engine and fuel system. Only use Volkswagen-approved service additives in the
approved quantity.

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
 .
→ Introduction

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