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  1. Aaron Vitolins

    Aaron Vitolins Senior Member

    Joined:
    Feb 28, 2014
    1,612
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    Location:
    Franklin TN
    Vehicle:
    Other Hybrid
    Model:
    N/A
    Hey y'all! So my 2004 Prius is throwing a code for the knock sensor, and when it throws the code the triangle of death come on and turns on the hybrid battery fan. I recently bought a used 2011 Prius battery and swapped the modules to my 2004 case. Everything went well and it seems to run fine. I haven't taken it out on the road yet because of this code. Why would a knock sensor turn on all the warnings? The engine runs good too. Any ideas?! I put a few gallons of fresh fuel and fuel injector cleaner in the tank. P0328
     
  2. Paul Schenck

    Paul Schenck Active Member

    Joined:
    Jun 15, 2013
    522
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    Location:
    Fresno, California
    Vehicle:
    2005 Prius
    Model:
    II
    I just had this code come up though nothing else. I’ve got to figure out where the knock sensor is. So I can fix it right?


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  3. Paul Schenck

    Paul Schenck Active Member

    Joined:
    Jun 15, 2013
    522
    306
    0
    Location:
    Fresno, California
    Vehicle:
    2005 Prius
    Model:
    II
    Found it and learned the plug had become disconnected by the owner looking for vacuum leaks


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    bisco likes this.