Product Description
For 6-cylinder Tacoma, 4Runner and many other Toyota applications. It calibrates the 0-5 V MAF sensor signal and intercepts the variable reluctance cam and crank sensor signals. This unit is has an internal enrichment module that works with either narrowband O2 sensor or wideband air/fuel sensors. The module allows a richer fuel mixture in boost at part throttle.
The R4 software included may have issues running on Windows 11. See the tech note “Run the R4 Software on Windows 11” for more information.
Legal only for racing vehicles which may never be used upon a highway.
