[worangejuice]

Originally Posted by mechanicalmoron

You can test the o2 sensor with the CEL.

Turn the diagnostic screw on the ecu like you would to pop the codes, and start the car (maybe you leave it turned, I forget). It blinks to show that it's either rich or lean, and there's a certain number of times per minute it's supposed to fluctuate for a good sensor, at a certain rpm.

Google it, or it's somewhere in the fsm.

I dont have any CEL on......googling.....nothing.....what
NVM found it..........thanks
http://forums.nicoclub.com/1991-1994...s-t253912.html