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spark plugs on 09 prius after 68000 miles

Discussion in 'Gen 2 Prius Care, Maintenance and Troubleshooting' started by alan1572, Apr 8, 2014.

  1. alan1572

    alan1572 Junior Member

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    i wasn't sure about changing them but after doing the job i don't think i've done any harm by doing so
     

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    #1 alan1572, Apr 8, 2014
  2. bisco

    bisco cookie crumbler

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    it can't hurt!(y)
     
    #2 bisco, Apr 8, 2014
  3. edthefox5

    edthefox5 Senior Member

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    No that was a good move considering how corroded the threads look. It it sits in the head another 2-3 more years could be tough to get out. This is exactly why I am going to pull mine soon at 72K.
     
    #3 edthefox5, Apr 8, 2014
  4. alan1572

    alan1572 Junior Member

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    Especially as no damage was done :)
     
    #4 alan1572, Apr 8, 2014
  5. Former Member 68813

    Former Member 68813 Senior Member

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    They are not corroded. It's normal to have plug threads brown due to coked oil/grease. But waiting too long can clearly cause some problems.
     
    #5 Former Member 68813, Apr 9, 2014
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