Explodemylifepls
Well-Known Member
- Joined
- September 27, 2021
- Messages
- 114
- Reaction score
- 68
- City, State
- Kansas
- Year, Model & Trim Level
- 1997 explorer xxl
Hello, my 1997 explorer 5.0 is still not running right. Lean on bank 1 code but it is not lean it is very rich, smells rich and when I went to replace the o2 sensors they were caked in soot. So now my question and only question is where do the o2 sensor wires go? Through the bus connector at the bell housing and then do they go right to the ECM?? Reason I ask is I thought instead of pulling the trans out and looking over the wiring harness I could make a harness that goes from under the truck connected to the o2 sensors up to the ecm or wherever they feed. I replaced the sensors, no change, it's throwing a lean code with low inconsistent voltage but it's very clearly rich. I feel I may have squished the harness in between the block and bellhousing when I did the rear main and damaged the wires, I don't know why else I would have this erratic issue. It's only on bank 1. I get 10-11 mpg so don't really drive it much because of that.