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  • ODB codes giving me troubles again

    Ran the scan, and came back with 4 codes now.

    DTC P0137 HO2S Circuit Low Voltage Bank 1 Sensor 2
    DTC P0138 HO2S Circuit High Voltage Bank 1 Sensor 2

    Seems very contradictory to me...

    DTC P0140 HO2S Circuit Insufficient Activity Bank 1 Sensor 2

    Those 3 are all from the post cat sensor right? Because I simply don't have that one in the car.

    DTC P0153 HO2S Slow Response Bank 2 Sensor 1

    And this one is the passenger side manifold right? I have a replacement just gotta make sure it's the right one. I don't understand the whole bank 1/2 sensor 1/2 system....

    Any help?


    (Genius self spelled OBD wrong....)

  • #2
    Re: ODB codes giving me troubles again

    Sensor 2 is always the post cat sensor. remove the codes via HP tuners or put the sensor back. Bank 2 is the passenger side, bank 1 drivers. Slow response generaly means the sensor is going bad.
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    • #3
      Re: ODB codes giving me troubles again

      Alright... I'll put in my spare tomorrow. Thanks :)

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      • #4
        Re: ODB codes giving me troubles again

        Had P0138 pop back up today, even though I have a simulator in there... have to check that out.

        The trouble this time Is coming from P0650. Which from what I can tell, says the malfunction indicator light, is malfunctioning. Wtf. What even is... my SES light is broken?

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        • #5
          Re: ODB codes giving me troubles again

          One would assume so

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