1.
CONDITIONS OF MEASUREMENT 1.1. The fuel shall be the reference fuel whose specifications are given in Annex VI. 1.2. The carbon-monoxide content by volume shall be measured immediately after the fourth cycle of the Type I test, with the engine at idling speed. 1.3. In the case of vehicles with manual or semi-automatic transmission gearboxes the test shall be carried out with the gear lever in the "neutral" position and with the clutch engaged. 1.4. In the case of vehicles with automatic transmission gearboxes the test shall be carried out with the gear selector in the "zero" or "parking" position.
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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.