Anyone know where to get the rear O2 sensor cheap?

Tronspeed3

Member
:
MazdaSpeed 3 GT, Pearl White
I've been getting a CEL code P0138,"high voltage o2 sensor 2 bank 1"

Dealer wants $175 for a new one!(notcool)Which is just not going to happen.

Has anyone on bought a replacment online somewhere cheaper? The dealer said theres a couple different versions for Canada, California, etc. emissions standards. I need and non california, US model.

Thanks
 
Get a universal. It's 4 wires to solder/connect, $60. That's as cheap as they get unless you get a used one.
 
Yeah I don't really know which wires go to which... I'd prefer to get the one with the weatherpak connector on it already.
 
If I was to buy a universal o2 sensor I'm going to need the 4 wire one right? does any one know what wires connect to what?
 
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