my O2 sensor threw a code so i looked at all three of them the one right before my catalyic converter on my driver side has a hole burnt in the side of the wires. i have looked and the wire is not in the way or around any heat. is there anything that causes the wires to burn or did it just go bad? thanks in advance for your guys help..

 

Could have got too hot, or it coul dhave melted itself to the negative...

I would just try to splice and repair it if the actual sensor itself isn't bad.

 

its just the wire from what i can tell but i will try that thinks

 

Yea, just try to splice in a new wire. I doubt your o2 sensor is bad already..but I could be wrong.

Something caused it to malfunction, so I would look into it

 

as far as i know its the wire i can see it burnt and i just replaced them when i dropped the new engine in.