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Pagal manuala, cia itariu nebutinai XC90 nes tokie varikliukai tikrai ne vienam volvo medeli stovi:

Fuel requirements
Octane rating
Volvo engines are designed for optimum performance on unleaded premium gasoline with an AKI
octane rating of 91 or above. AKI (ANTI KNOCK INDEX) is an average of the Research Octane
Number, RON, and the Motor Octane Number, MON. ((RON + MON)/2). The minimum octane
requirement is AKI 87 (RON 91).