oxygen sensor

I can't believe all the web pages I read and videos I watched where they say this stuff with a straight face. ima' have to set this straight. so the 20 people that read this know better, and the other 3841,578,4599,46,898 people on the internet will never hear about it. IT WILL BE STUCK when...

I have a 94 ranger xlt with a 4.0 previous owner removed the o2 sensors and plugged them and removed the wiring for them I need to get them back in because the truck is running rich but I obviously have to run new wiring so if anyone has a wiring diagram or has done this before etc help would be...

OK here's the story. 1994 Ranger 2.3l manual, 2WD no AC. the engine light has been on for some time. I tried reading the codes, but I got different codes every time and researching what I got led me nowhere. SO I replaced the air filter, fuel filter, PCV, DPFE, TPS, ICM. I Tested the fuel pump...