Originally Posted by
NeedCAforS13
well, with unplugged o2 sensor car seems to run fine again... I have a skinny redtop o2 sensor on a blacktop s13 ecu. Which apparently doesn't work too well. Lol.
I'll update tonight after we test for leaks.
Well there you go. O2 causing self-learn to go off into oblivion. But yeah, check your grounds on the back of the intake manifold, while you're poking around.