Your O2 sensor is just a little cigar shaped sensor probably right after you exhaust manifold and inserted into your exhaust pipe.

Just unscrew it and the wires, replace and put the wires where they need to be.
Cyclonite Reviewed by Cyclonite on . Stinkyattic She rehabilitates plants and trains people......she is "The Bud Whisperer"!:D A big thank you to the lady of grow.:thumbsup: Have a good grow!:jointsmile: Rating: 5