- Joined
- Feb 22, 2010
- Messages
- 43
- Points
- 3,101
- Vehicle Year
- '05
- Transmission
- Manual
'05 Ranger 4L. There are three o2 sensors, one on each cyl bank in front of the cat, and one behind. Each sensor has four wires; 2 x white, 1 x Black, 1 x Gray. Which one goes where. I'm looking for which wire(s) actually provide the ECU input to adjusts fuel/air mix. Anyone know?
