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Can a car that has been using 92-octane gasoline switch to 95-octane gasoline?

1 Answers

SanCatherine

07/29/25 8:37pm

A car that has been using 92-octane gasoline can occasionally fill up with 95-octane gasoline, but it should not be used long-term. There are two consequences of using fuel that does not match the engine's requirements: 1. Using low-octane gasoline in a high-compression engine can lead to reduced engine power output and damage to engine components. 2. Using high-octane gasoline in a low-compression engine can cause incomplete combustion and also damage engine components. Additional information: The rules for selecting gasoline octane ratings are: 1. For compression ratios between 7.5-8.0, use 90-93 octane gasoline. 2. For compression ratios between 8.0-8.5, use 90-93 octane gasoline. 3. For compression ratios between 8.5-9.0, use 93-95 octane gasoline. 4. For compression ratios between 9.5-10.0, use 95-97 octane gasoline.

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