- 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
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.
- (1x) IE TrueFlex Wiring Harness
- (1x) 2 amp Fuse
- (1x) Ethanol Sensor
- (2x) Ethanol Sensor Quick Connect Couplers
- (2x) Hose Clamps
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. Click here to download the install guide
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!