Haltech - Flex Fuel Composition Sensor

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Haltech - Flex Fuel Composition Sensor Suits: 3/8 "GM Spring Lock" fittings. Includes: Matching plug and 3 pins. The Haltech Flex Fuel composition sensor measures both the Ethanol content in fuel as well as the fuel temperature, enabling ECUs that support Flex Fuel to make real time adjustments to optimize the tune for varying Ethanol blends. Show more