Originally posted by run4cvr
Also check your wiring for you AF signal wire. I think Uber melted his on the EGT pipe and was getting some serious car issues: erratic AF gaguge, car ran like crap...

the gauge was defective i think, the wiring was good from what i say but yeah, gauge started freaking out and car ran like shit if it would stay on and i kept throwing p0171 for system too lean, o2 sensor.