Haltech Flex Fuel Sensor Kit

Tune for Any Ethanol Blend. Automatically.

The Haltech Flex Fuel Sensor Kit allows your Haltech ECU to detect ethanol content in real time and automatically adjust fuelling and ignition timing to suit — whether you're running pump fuel, E85, or anything in between. No manual map switching, no guesswork. Just seamless, intelligent fuel management across the full ethanol range.

Key Features

• Real-time ethanol content detection — reads E0 to E100 continuously while you drive
• Direct ECU integration — plug directly into your Haltech Elite or Nexus system via a dedicated sensor input
• Automatic fuelling & timing correction — the ECU adjusts maps on the fly based on detected ethanol percentage
• Continental/Siemens flex fuel sensor — OEM-grade sensor used in factory flex fuel vehicles worldwide
• Includes wiring harness — pre-terminated for straightforward installation
• Fuel temperature output — provides additional data for precise fuel compensation
• Compatible with: Haltech Elite 550, 750, 1500, 2500 & Nexus series ECUs

Run Whatever's in the Pump.

Perfect for performance builds that switch between pump fuel and E85, the Haltech Flex Fuel Sensor Kit removes the hassle of manual tune switching. Fill up with whatever's available and let your ECU handle the rest — safely and accurately.

Vendor: Haltech | Part Number: HT-010302