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I see what your going after there but I used the ls6 steam line for the front and plugs for the back.

ITS FIXED I found that the high and low signal wires were swapped in the pcm plugs PIN 26 AND...

This morning I go out there and hook up the lap top to check and see how it runs with both o2s disconnected and the iat reads 284 and maf is reading 4.84 un plug the maf and the iat will go to -38...

i should mention as well that I have pulled the plugs and they are soot covered, so quite obvious rich run condition.

ill start checking all the o2 sensor wiring tomorrow and reply back tomorrow then.

thanks.

the o2 sensors are new I replaced them when I first saw that they just read 0 but if I unplug them it jumps to the default of 470...

92 gmc 99 ls1 swapped 799 heads and a btr stage 2 na cam.
truck was missing and running terrible after I replaced a pushrod I bent and swapped to flex fuel injectors from a 2004 5.3 and put an ls6...