Dorman 601-020 Flex Fuel Sensor

Flex Fuel Sensor for GM Applications

Dorman 601-020 is a flex fuel sensor built to match the fit and function of the original sensor on specified vehicles. It is engineered for durable operation and reliable performance in flex-fuel fuel delivery systems, with direct-fit details that support accurate ethanol content sensing.

Key Features

• Direct replacement flex fuel sensor for specified GM vehicles
• Designed to match original fit and function
• Black finish with oval male connector
• 3-terminal design with blade-style terminal type
• Mounts on the chassis or frame
• Cross-references Continental SE1004S and Standard Ignition FFS3 for the same application
• Part number 601-020 for easy identification

Detailed Description

This Dorman flex fuel sensor, part number 601-020, is used in vehicles that rely on ethanol content data to manage fuel delivery and engine operation. It is built for specified Cadillac, Chevrolet, Buick, and GMC applications, including models such as the Chevrolet Impala, Tahoe, Silverado 1500, GMC Yukon, and Cadillac Escalade. The sensor features a single oval connector, male terminals, and a black housing designed for chassis or frame mounting. For buyers searching for a flex fuel sensor for 2011-2017 Chevrolet Equinox, 2014-2017 GMC Sierra 1500, or 2014-2019 Cadillac Escalade applications, this part number is a direct-fit option to compare against the original equipment sensor.

What It Helps Address

• Incorrect ethanol content readings from a failing flex fuel sensor
• Hard starting or rough running related to fuel composition data errors
• Check engine lights tied to flex-fuel sensor faults
• Fuel delivery issues caused by inaccurate sensor output
• Driveability concerns on flex-fuel GM vehicles

Installation Notes and Tips

Verify connector shape, terminal count, and mounting location before installation. This sensor uses an oval male connector with 3 terminals and is listed for chassis or frame mounting. Confirm vehicle fitment by year, make, and model before ordering, especially on 2012 applications with VIN-specific notes. Professional installation is recommended to ensure proper sensor routing and secure connection.

Quality Assurance

Dorman designs this flex fuel sensor to match original fit and function on specified vehicles and to deliver dependable service in fuel system applications. Part number 601-020 is engineered for durability and reliable performance in compatible GM flex-fuel platforms.