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Dorman Flex Fuel Sensors

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Dorman flex fuel sensors measure the ethanol content in your fuel and send a signal to the engine control module. The ECM then uses this information to make real-time adjustments to the air/fuel injection ratio and ignition timing for optimal performance, regardless of the fuel blend. These replacements are built with factory-style components in accordance with OE specifications to ensure proper fit and function. The sensors allow vehicles to run on blends of gasoline and ethanol (like E85). Order the model recommended for your application.

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Dorman Flex Fuel Sensors 601-020

Flex Fuel Sensor, Black, Buick, Chevy, Cadillac, GMC, Each

Part Number: RNB-601-020

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Estimated Ship Date: Feb 9, 2026 if ordered today

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Estimated Ship Date: Feb 9, 2026 if ordered today

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