Can the Pajero use 92 octane gasoline?
2 Answers
The Pajero can use 92 octane gasoline. The octane rating of gasoline is the ratio of the actual gasoline's anti-knock performance to that of standard gasoline. The higher the octane rating, the stronger the anti-knock performance. 92 octane gasoline: 92 octane gasoline contains 92% isooctane and 8% n-heptane. Standard gasoline is composed of isooctane and n-heptane. Higher octane ratings are not necessarily better; the appropriate gasoline grade should be selected based on the engine's compression ratio. 95 octane gasoline: 95 octane gasoline contains 95% isooctane and 5% n-heptane. When the engine's cylinders perform piston movements, gasoline and air mix and compress inside the cylinder. If the pressure is too high, knocking can easily occur.
I've carefully considered the issue of using 92-octane gasoline in the Pajero. According to the vehicle manual, Mitsubishi Pajero typically recommends using 95-octane or higher gasoline to ensure smooth engine operation under high compression ratios. Occasionally using 92-octane might not cause immediate problems, but long-term use could lead to engine knocking—that strange knocking sound—which can easily damage pistons and spark plugs. I've seen such cases during vehicle maintenance where owners opted for lower-octane fuel to save money, only to experience increased fuel consumption and spend thousands on engine repairs. Therefore, I recommend prioritizing 95-octane fuel. If the manual permits a minimum of 92-octane, use it but avoid aggressive driving or heavy-load uphill scenarios. Additionally, fuel quality varies by region; some areas have 92-octane fuel with lower actual octane ratings, so it's best to consult the dealer or carry a bottle of fuel additive for added safety.
