O2 Sensor Bias

[Greg Hermann]

>Excuse me, kind of new here. What's wrong with lowering fuel pressure to lean
>out the mixture "across the board" as you want. Since GM ECMs go into open
>loop at wide open throttle (signaled by the throttle position sensor) the best
>way to lean it out, or richen it for that matter, is by changing the base fuel
>pressure. Lower the pressure until you get the O2 readings in the range you
>want (800-850?). Unless your base fuel maps are way off or the injectors are
>sized wrong that should work, right?
>greg kring
>
Nothing, as long as you don't screw up atomization of the fuel.

Regards, Greg