Front o2 sensor "not ready"
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This is a discussion on Front o2 sensor "not ready" within the General Maintenance, Troubleshooting & Accidents. forums, part of the Tech & Modifying & General Repairs category; So i replaced the front o2 sensor on my car with a denso sensor. I went to get my emissions ...

  1. #1
    Registered User d_Ziggy_2000's Avatar
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    Front o2 sensor "not ready"

    So i replaced the front o2 sensor on my car with a denso sensor.
    I went to get my emissions tested but it wasnt ready.
    they told me to do a drive cycle that they suggested which i did then went to test again and once again failed.
    I called subaru dealership and they told me to do a different drive cycle and i also did one according to forums on here as well and after 300 miles the sensor is still "not ready"
    I have now expired tabs and am not sure what i should do.. any suggestions??
    '88 Sub Justy *Rock in oil pan killed on freeway
    '87 Honda Civic *Bad pistons (to lazy to fix)
    '85 Nissan 200sx *Blown engine drifting
    '00 Sub Outback *Mother literally stole
    '92 Toyota Tercel *Hated it
    '02 WRX '07 kawasaki ninja. * current

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  3. #2
    OMG WTF MainFrame's Avatar
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    If you have a Tactrix cable you can use it to set the readiness of the sensors..

  4. #3
    Registered User d_Ziggy_2000's Avatar
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    well i had my buddy come over cuz he had kind of the same problem for his MR2.. and found out that one of the main cables going to the battery.. not the one to the engine but the other one (power for ecu and sensors and stuff i think) was so corroded that he barely pulled on it and it snapped off.. pretty sure that is what the problem was. cuz now plugging in my computer with the tactrix cable, i'm hitting about 15.3lbs of boost. (is that to high?)

    if that doesnt work, how do i set the rediness of those sensors?
    '88 Sub Justy *Rock in oil pan killed on freeway
    '87 Honda Civic *Bad pistons (to lazy to fix)
    '85 Nissan 200sx *Blown engine drifting
    '00 Sub Outback *Mother literally stole
    '92 Toyota Tercel *Hated it
    '02 WRX '07 kawasaki ninja. * current

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