This plug and play harness kit is required for IE TrueFlex ECU Tunes for VW and Audi MQB Gen 3 engines.  This includes everything necessary for the flex-fuel sensor to send real-time data from your fuel system to the ECU and adjust for any content mix from 91 pump to full E85 automatically.

This harness kit is fully assembled to proper lengths and includes everything needed to install in a clean and factory-like install.  Disconnecting and cutting of factory soft fuel lines is required and should be completed with great care or by a professional.

TrueFlex is currently available for 2015-2018 MK7 GTI & A3 2.0T W/IS38. Stage 1 & 2, Golf R/S3, and 2019+ model years are coming soon!

Features:

• Required for IE TrueFlex MQB tunes
• Allows for instant adjustments from 91 pump to full E85
• Harness for VW MK7 & Audi 8V EA888.3 engines
• Sends sensor data in real-time to IE ECU calibrations
• Includes everything needed to install

What's Included:

• (1x) IE TrueFlex Wiring Harness
• (1x) 2 amp Fuse
• (1x) Ethanol Sensor
• (2x) Ethanol Sensor Quick Connect Couplers
• (2x) Hose Clamps