Flex Fuel Sensor 12570260 For Chevy Silverado Tahoe GMC Yukon 4.8L 00-05

Flex Fuel Sensor for Chevy and for GMC

This flex fuel sensor for Chevy and for GMC measures the ethanol content in the fuel line to allow the engine computer to adjust fuel injection and ignition timing, citing OEM cross-reference 12570260.

Overview

This flex fuel sensor for Chevy and for GMC measures the percentage of ethanol in the fuel system. As a vital flex fuel sensor for Chevy and for GMC, it sends real-time data to the engine control module to optimize performance across fuel blends. Truck and SUV owners can rely on this flex fuel sensor for Chevy and for GMC to restore correct fuel-trim calculations and resolve engine check lights.

Built For Performance

• Accurately measures ethanol content and fuel temperature
• Built with corrosion-resistant materials to withstand ethanol blends
• Delivers high-frequency output signal for real-time ECM communication
• Quick-connect fittings allow for simple plumbing integration

Fits These Machines

• for Chevy Silverado 4.8L 2000-2005
• for Chevy Tahoe 4.8L 2000-2005
• for GMC Yukon 4.8L 2000-2005

On-The-Job Use

• Replacing a failed sensor causing rich or lean engine codes
• Converting a standard fuel system to run ethanol or E85 blends
• Restoring accurate engine computer readings for fuel delivery

Specs At A Glance

Good To Know

Q: What are the signs of a failing flex fuel sensor? A: Common symptoms include an active check engine light, hard starting, decreased fuel economy, or rough idling. Replacing the sensor restores correct fuel-air ratio calculations.

Q: Can this sensor be used for custom E85 conversion setups? A: Yes, this sensor style is widely used in custom automotive applications when retrofitting a vehicle to run on E85 flex fuel.

Slight variation in finish or dimensions may occur between production runs, and fit can depend on serial number, so confirm compatibility before ordering.