EMERGENCY: Inspection at end of month and sensors not being available/supported/detected

Discussion in 'Gen 2 Prius Care, Maintenance and Troubleshooting' started by Anon Adderlan, Jun 27, 2025 at 5:43 PM.

  1. Anon Adderlan

    Anon Adderlan Junior Member

    Joined:
    Nov 8, 2021
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    Location:
    Syosset, NY
    Vehicle:
    2004 Prius
    Model:
    Base
    The inspection for my 2004 Prius is coming up at the end of the month, and the EGR System, Oxygen Heater Sensor, Secondary Air System, and Heated catalyst are STILL not being detected. Not failed, not detected AT ALL. I’m told that’s normal for some of these systems as they’re not present, except for the Oxygen Heater Sensor. So regardless I need to at least know the reasons that sensor is coming back as ‘unavailable’ rather than ‘failed’ or flagging any codes specific to it.

    I am absolutely desperate at this point. If I lose the car I will not only be without a home once the town demolishes it next month, but without a car as well, which leaves me with nothing.
     
    #1 Anon Adderlan, Jun 27, 2025 at 5:43 PM
  2. Tombukt2

    Tombukt2 Senior Member

    Joined:
    Nov 29, 2020
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    Location:
    Durham NC
    Vehicle:
    2009 Prius
    Model:
    Base
    In upstate NY? So you're doing this by looking at the IM monitors on a scanner correct? I think that's a bit different . How do you know which are sposed to be detected and not ? I know I don't know this and I lived in many emissions States. Back in the days when they shoved the thing up your tailpipe and number showed on the screen and if they weren't in green you didn't go . But they're was always a way around . Referee get it put off till next year n such . As long as there wasn't sheet metal hanging off your car and general things like that going on car looked presentable etc there was a work around of some sort . I cannot imagine this is still no so
     
    #2 Tombukt2, Jun 29, 2025 at 12:07 PM
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