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-   -   Another O2 sensor thread... need help! (2003 2.7L 3RZFE) (http://www.tacomaworld.com/forum/1st-gen-tacomas/272389-another-o2-sensor-thread-need-help-2003-2-7l-3rzfe.html)

cch89135 04-08-2013 10:18 PM

Another O2 sensor thread... need help! (2003 2.7L 3RZFE)
 
I am in the process of freshening up my 2003 Tacoma PreRunner 2.7L.

My next task is replacing the O2 sensor(s) and I need to know what parts I need...

So far I have ordered a Denso #234-4189 and I need to know if I have to order one more of the same part. Or do I need the A/F Ratio sensor (Denso #234-9001)?

Forgive me, I am new. I searched every thread before posting though.

Taylor 04-09-2013 06:40 AM

I do believe that's what you need, but don't quote me on that.

cch89135 04-09-2013 10:57 AM

Anybody else know what parts are required? How many sensors? Which sensors?

Thanks>

crainholio 04-22-2013 04:37 PM

I had to buy the gasket separately but the parts store had it.


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