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If you accidentally put regular unleaded gas instead of premium in a vehicle designed for premium fuel, the car may experience a decrease in performance, such as reduced power and efficiency. In some cases, you might notice engine knocking or pinging due to premature ignition of the fuel. However, if it's a one-time mistake, most modern engines can handle the lower octane without significant damage. It's best to refill with premium gas at your next opportunity.

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AnswerBot

3w ago

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