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02 sensor replacement

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    #1

    02 sensor replacement

    Hi all,

    I either suck at searching or I can't seem to find info on how to replace my o2 sensor. I bought one from online, but the end has (4) wires.

    (1) brown
    (1) brown
    (1) yellow
    (1) burgundy/rich pink

    --

    How do I set up the wires? My old sensor has black wiring.. I can't tell what's what!?
    Tags: u2 sensor
    #2
    woah hold on now... Did you buy a Bosch? if you did, return it because our cars do not like those o2 sensors. If you bought a new OE one specifically for your car, it should have been plug and play meaning you take off the old one and put the new one on then plugged the electrical connectors up and you were done. You should not be splicing wires when it comes to the o2 sensor.

    Comment

      #3
      No, it's a OEM. Just no white/grey connector.

      Comment

        #4
        It's not Bosch, but all I want is to pass emissions, for now.

        Comment

          #5
          You don't want Bosch.
          And if it's OEM, it should have a plug. If it just has bare wires, I don't know what the hell you got.

          Use only Denso or NGK/NTK. No other brand is certain to work (and if it doesn't work, you're not passing emissions.) I STRONGLY advise against cutting off the stock connector on your car to splice the wires. If you alter the resistance in the wires, the result can be improper o2 sensor readings no matter how many times you change it.






          Comment

            #6
            Buy the a new Denso from RockAuto for $29.
            Probably cheaper than your Bosche.

            Comment

              #7
              That's weird man.. I've only replaced an o2 sensor twice before and they have always just plugged into place of my old one once i have removed it. Never had i ever had to splice wires.

              Comment

                #8
                "universal" sensors are available. They just come with pigtails that you splice on. When proper plug-in sensors are available, it's senseless to waste money on one. Especially since that Denso from RockAuto gets cheaper and cheaper by the minute! We used to marvel at the "cheap" price of $45! o2 sensors used to be $80+!






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                  #9
                  Originally posted by deevergote View Post
                  "universal" sensors are available. They just come with pigtails that you splice on. When proper plug-in sensors are available, it's senseless to waste money on one. Especially since that Denso from RockAuto gets cheaper and cheaper by the minute! We used to marvel at the "cheap" price of $45! o2 sensors used to be $80+!
                  yeah that was pretty much the reason why i came to the assumption that he had bought a bosch o2 sensor because i've never seen a Denso or NTK sensor where it had to be spliced.

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                    #10
                    I bought one back in like february I think I only paid $35 though. I'm too lazy to check but find that 5% off new customer coupon on here

                    C-3PO's MRT USDM yo!

                    then i see my baby, suddenly I'm not crazy,
                    It all makes sense when i look into her eyes

                    Comment

                      #11
                      Ok well since I had no access to online, and I already spliced the wires.. My o2 sensor reads fine.. until 5-7 minutes later. My CEL light comes back on.

                      So I should really buy a denso? I mean the O2 sensor that was on my vehicle originally, was black, green, white, black wires. Obviously not OEM.

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                        #12
                        They simply took the old wires out and placed the new ones in the same sockets. I just don't understand how exactly they went.. But I assumed the only black wires were "current" and I checked w a test light, and I just hooked up the (new)brown wires- to where the (old) black wires were, and just guess the the colored ones.

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