I needed to buy a new O2 sensor for my protege but i dont know if i should install it myself or bring it to my mechanic. Does anybody know to install the second O2 sensor (after the cat) on our cars? I believe there's no wire splicing but i could be wrong... I just want to make shure it's just switch and plug in... Any reconmendations anyone?

also it came with this thermal grease looking thing that looks like copper... wtf is that ?

 

just unplug the connector and then use a set of channel locks to unscrew the old o2 sensor....apply the grease to the threads of the new o2 sensor and screw it back in, then reconnect it.

 

is that easy? thanks =)

i'd get teh WOMP supercharger kit if i wernt in Texas, I really need my A/C

 

drive one with it first and then think about it some more.

good luck with your car.