S34six
New Member
- Joined
- Oct 20, 2010
- Messages
- 34
hey guys im trying to fing out which wires from my o2 sensor actually goes back to my ecu, my o2 sensor wires are white, green and 2 black wires, any info would be helpful because im getting a heater circuit code and i want to trace it to see whats the problem, i have a 99 EK9 honda civic.