Jay Whitely wrote: > I think I will simply eliminate the rear O2 sensor by > adding a resistor of the correct value to the sensor > wiring. You need a crappy resistor. One that won't keep the voltage dead center. It needs some noise if you will. RK -- Ray Kawski 1998 Sentra SE Turbo, 1991 NX 2000, 340K mile 1991 Sentra SE-R Poconos, PA