98 sohc downstream 02 sensor not connected | Ford Explorer Forums - Serious Explorations

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98 sohc downstream 02 sensor not connected

mikeg216

Active Member
Joined
October 28, 2011
Messages
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City, State
cleveland ohio east side
Year, Model & Trim Level
1998 ford explorer sport
so im under the truck and i find out my 02 sensor is not connected i have the pigtail in my hand but i dont know where to connect it to cuz i cant see a damn thing anybody got any pics?
 






sorry, did have my exhaust on when i took this, but it might help you even more seeing it without it on. its the blue conector on the side of the trans.

DSC01095_Medium_.jpg


but what i don't understand is, how did it even run with it not connected, or not throw a check engine light.
 






How it ran I do not know but it was/could still be running rich and I was hearing a vacuum leak so I assumed that was the problem
 






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