the o2 sensors are in the exhaust pipes. I believe on the 4.6's there are 4. Should be down past the manifold collectors and before the cats or x or h pipe around where the pipe bends to go under the car i would assume.
Re: A/F guage question QuICK HELP NEEDED what wire on the o2 do I tap into. Help quick. Tryed the gray one no go
Re: A/F guage question QuICK HELP NEEDED Homey we got it, it was the BLACK wire for anyone else who dont know lol. Yeah Aaron is now apart of a Narrow band Light show hehe