Originally Posted by more-psi

ive been havin trouble just a briefing i bought the 99 gt then found out it had a 97 4.6 in it so i did the pi head swap and they said it was tuned but the service engine lite came on and it runs like shit, i went up to auto zone and they plugged it into the comp and it said o2, i would like to remove the o2 sensors in general thanks