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Council Directive 70/220/EEC of 20 March 1970 on the approximation of the laws of the Member States relating to measures to be taken against air pollution by gases from positive-ignition engines of motor vehicles · European Union

VEHICLE AND FUEL 2.1. Test vehicle 2.1.1. The vehicle shall be presented in good mechanical condition. It shall have been run in and have been driven at least 3000 km before the test. 2.1.2. The exhaust device shall not have any leaks likely to reduce the quantity of gases collected, which shall be the quantity of gases emerging from the engine. 2.1.3. The tightness of the admission system may be checked to ensure that carburation is not affected by an accidental intake of air. 2.1.4. The settings of the engine and of the vehicle's controls shall be those prescribed by the manufacturer. 2.1.5. A vacuum gauge shall be installed in the intake circuit near the carburettor, beyond the throttle. 2.1.6. The laboratory may verify that the vehicle conforms to the performances stated by the manufacturer, that it can be used for normal driving, and more particularly that it is capable of starting when cold and when hot. 2.2. Fuel 2.2.1. The fuel shall be the reference fuel whose specifications ate given in Annex VI. If the engine is lubricated by a mixture, the oil added to the reference fuel shall comply as to grade and quantity with the manufacturer's recommendations. (1)It should be noted that the time of two seconds allowed includes the time for changing gear and, if necessary, a certain amount of latitude to catch up with the cycle.

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Source: EUR-Lex (Cellar) · retrieved 2026-11-01 · Text as adopted (Official Journal); later amendments are not incorporated in this text.