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Can you use fewer cylinders to increase gas mileage?

Updated: 8/18/2019
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13y ago

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There have been some cars manufactured to use this technique. When the engine is under little or no load (like when idling at a red light), some of the cylinders are turned off to use less fuel.

Do not attempt to do this on an engine not designed in this manner. You will ruin the O2 sensors and the catalytic converter and the car will actually get less mileage.

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13y ago
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