Avaiable for the Power Commander V is the add-on Auto Tune module which allows for live, closed loop EFI tuning.
Based closely on Dynojet's new Wideband Commander 2 it features a OEM quality Bosch Wideband O2 sensor. The Auto tune module allows users set a demanded air/fuel ratio in the Power Commander V software and the Auto tune will make adjustments in real time. When enabled there is an AFR table with the same 250 RPM increment resolution as the fuel table. The Auto tune can be configured for minimum run time before live sample as well as maximum +/- fuel adjustments in relation to the base map. The Auto Tune kit can also use the Dynojet map switch or any open/closed switch which allows the user to switch between live tuning to the parameters set thru the PC V software or the base map in the PC V unit.
You can leave the map switch in "live" mode, or if you want to write the fuel map you can connect to the PC V software, retrieve the fuel trims and either write them to the map or clear them. We have also compared several Auto Tune derived maps to dyno tuned maps and the results were impressive. A very important requirement for building a good tune is to have a close base map to start out with, as the Auto Tune writes its fuel trims off the base PC V map. The Auto Tune module does require some basic wiring from the sensor harness into the modules.
The Auto Tune module is a very good choice for those with a unique mods, where a dyno is not available, or for those looking for the ability to tune in real time. The ultimate combination we recommend is combining a full dyno tune session with the Auto tune. We build the map for the best combination of performance and efficiency, and then implement the AFR's we developed into the Auto Tune AFR table. This strategy will provide the best performance under all conditions.
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