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.
Kit includes:
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!