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Originally Posted by fugiot
I've got a '90 Maxima(VG30E) and I need an o2 sensor to pass emissions, but I can't afford one for $60 from a parts store. Anybody know what other cars share the same sensor so I can get it from a junkyard?
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This is what 88pathoffroad typed out for someone who was in your position.... You don't need to change the O2 sensor first, try using a propane torch to burn off any carbon deposits and see what happens. On mine, I got 4+ MPG more and all it cost me was a half-hour's worth of work...dealership O2 sensors are like $135.
My suggestion is to take your time taking it out. You don't wanna be stripping threads. The heat from the running engine could make it easier removing it and be sure to have some WD-40 on hand, you'll need that too.
Good luck.
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