HARLEY TCFI Gen 5 EFI Controller Fits 2012-UP FXST, 2012-UP FLST, 2012-2017 FXD,

Daytona Twin Tec TCFI Gen 5 Auto Tune fuel injection controller is fully programmable plug in replacement for the 36 pin controller with CAN data bus. Includes TCFI Gen 5 fuel injection controller USB interface for PC link WEGO IIId dual channel wide-band exhaust gas oxygen sensor interface two Bosch LSU 4.2 wide-band exhaust gas oxygen sensors and two 18 x 1.5mm weld nuts for the exhaust pipe. Controller continuously auto-tunes fuel curves for the front and rear cylinders under riding conditions with WEGO IIId dual channel wide-band oxygen sensor interface. The Robust alpha-N fuel control eliminates problems with long duration high over lap camshafts and has data flash memory that stores full 60 minutes of operating data. The TCFI solves tuning problems with highly modified engines. Features powerful windows software for custom programming and extending data logging and diagnostics. Idle air control including idle RPM and cold start characteristics are fully programmable. Facilitates the use of aftermarket throttle bodies with higher air flow. *NOTE: Not legal for sale or use in California or on pollution controlled vehicles. FITS HARLEY: 2012-UP FXST, 2012-UP FLST, 2012-2017 FXD,