J jaics New member Feb 23, 2010 #1 I got 2 O2 sensors for my car. So i dont know which one to put in the header & near the exhaust catlytic converter? Sensors as described 1)pre cat - Shorter wire 2)post cat - Longer wire Thanks
I got 2 O2 sensors for my car. So i dont know which one to put in the header & near the exhaust catlytic converter? Sensors as described 1)pre cat - Shorter wire 2)post cat - Longer wire Thanks