Quote Originally Posted by scttydb411
are you sure the ecu isn't chipped and o2 disabled? if o2 is unplugged from the harness on a stock ecu you will throw a cel. now, if you have an o2 plugged in, but not plumbed into the exhuast on a stock ecu you won't throw cel and will run rich since the o2 tells the ecu that you are running lean since it's not in the exhaust flow.

you might want to get underneath the car to see what is the case w/ the o2.
Last I checked, there's no O2 sensor being pluged in anywhere.

As far as the ECU goes, I was told that it was a stock P13. But I never really checked.