[Nick]

how do i tell if i need my o2 senser replaced ? over the past few day it feels like im losing some power but i dont know if its my nx or just me ? or could it be some thing else is faling ?

 

[Subculture]

I take it you're check engine light isn't on.you could get a $tealer mechanic plug up a consult, then you'd know real quick. But how old is the one you have now? And have you bolted a aftermarket header recently? If you have, outgassing from the new header may have killed it.

 

[Guest]

try thishttp://www.pcweb.net/fourfa/car/tuneup.html