Flex Fuel Kit — Gen 3.5 (E40)

Adds ethanol content sensing to a Gen 3.5 GM running the E40 PCM.

• In the box: OEM GM ethanol content sensor (Continental), braided stainless fuel line and adapter, install harness using OEM GM connectors, fuel line disconnect tool, and vehicle-specific pinout and wiring instructions.
• How it signals: Wires to a spare signal input at the PCM. Pinout is included.
• Fits: Gen 3.5 applications on the E40 PCM. Confirm your year and PCM with the vehicle picker before ordering.
• Reversible: it is a sensor and a signal harness. The hardware comes back out and the calibration returns to straight gasoline whenever you want.
• Also required: the PCM has to be calibrated to read the sensor. This kit is the hardware only.

Vehicles this kit covers

• Chevrolet Corvette 2005 (C6)
• Chevrolet Trailblazer SS 2006–2007
• Pontiac GTO 2005–2006

Sold for off-road / competition-use vehicles only.