o2 sensor
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This is a discussion on o2 sensor within the General Maintenance, Troubleshooting & Accidents. forums, part of the Tech & Modifying & General Repairs category; my 2002 wrx has a faulty o2 sensor but i still cant turn off that damn enging light, how do ...

  1. #1
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    o2 sensor

    my 2002 wrx has a faulty o2 sensor but i still cant turn off that damn enging light, how do i go about that?

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    Registered User jeffmm06's Avatar
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    replace the sensor.

    disconnect negative battery terminal to clear the code, if you do not replace the bad sensor, the code and ENG light will return.
    2005 WRB WRX "was" STAGE 2

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    I am dealing with a similar issue, but the mechanic tells me this thing has FOUR O2 sensors?

    Is there a way to test individual sensors in order to figure out which one is bad? These things are not cheap!
    Ron

    MSgt, USMC (Retired)

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    Sammich Makin' Pwincess wrxtreme06's Avatar
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    Quote Originally Posted by meanstrk View Post
    I am dealing with a similar issue, but the mechanic tells me this thing has FOUR O2 sensors?

    Is there a way to test individual sensors in order to figure out which one is bad? These things are not cheap!
    there are only 2.


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    Quote Originally Posted by meanstrk View Post
    I am dealing with a similar issue, but the mechanic tells me this thing has FOUR O2 sensors?

    Is there a way to test individual sensors in order to figure out which one is bad? These things are not cheap!
    who ever told you that is retarted there is no need for more than 2

  7. #6
    Registered User EvoEatr's Avatar
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    Quote Originally Posted by meanstrk View Post
    I am dealing with a similar issue, but the mechanic tells me this thing has FOUR O2 sensors?

    Is there a way to test individual sensors in order to figure out which one is bad? These things are not cheap!
    Maybe he is thinking of the EZ30 or EZ36 found in the Tribecas, and some H6 outbacks/Legacies fore they have 4 02 sensors...

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