I'm looking for some help with a little project.

My motorbike has 2 narrow band sensors in the exhaust (one for each bank of the V4 engine). As standard, obviously it goes into closed loop fuel control under some conditions, and the throttle response is not very nice. I'd like to fool the ECU into thinking that it is running a bit leaner than it actually is such that the closed loop control point is slightly richer than Lambda = 1.

To do this, I was thinking of using a wideband lambda sensor with a controller that has a programmable simulated narrow band output and modifying the output accordingly. Sound reasonable? Or is there a better way?

AFAIK, the Techedge units all have programmable outputs, do any others?

As there are 2 sensors, it will be quite costly to do as I will need 2 WB sensors and 2 controllers - unless I use something like the Techedge 3H1 which has 2 inputs and 2 programmable outputs (the WB output could be programmed the same as a simulated NB).

Anyone have any better ideas?