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Spark Plug pictures after 120,631 miles

Discussion in 'Gen 2 Prius Care, Maintenance and Troubleshooting' started by exstudent, Jan 17, 2014.

  1. Feri

    Feri Active Member

    Joined:
    Jun 25, 2011
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    Location:
    Maldon Victoria Australia
    Vehicle:
    2010 Prius
    Model:
    III

    We were using one of those when I was doing my apprenticeship 1966.
     
  2. ChangeMachine

    ChangeMachine New Member

    Joined:
    Apr 21, 2018
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    Location:
    Portland, OR
    Vehicle:
    2010 Prius
    Model:
    IV
    One thought: Sparkplug manufacturers and state-by-state PZEV recommendations may suggest a 120k-150k mile spark plug life, but the engine of a Prius is often not running, whether miles are being added or not, and when it is running it is usually not under heavy load like normal engines are. Valid?