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Toyota Yaris 998 2003 Code PO301

  • 21-09-2015 2:12pm
    #1
    miketheDIYman
    Registered Users, Registered Users 2 Posts: 153 ✭✭


    Started with Code PO301 - cylinder 1 misfire - erased this code - moved Ignition coil from
    cylinder 1 to cylinder 2 - did a short test run and got Code PO302 - cylinder 2 misfire
    Have replaced Plugs and filters recently. Should I replace coil or are there any other tests
    I could carry out - some posts say Iridium plugs are best for this car - would this make a
    noticeable difference ? Idling very unevenly. Would MAF sensor need to be cleaned ?


Comments

  • #2
    martinr5232
    Registered Users, Registered Users 2 Posts: 2,298 ✭✭✭martinr5232


    Well if you moved the coil and the fault moved cylinder what would that tell you ?? 😊


  • #3
    colm_mcm
    Registered Users, Registered Users 2 Posts: 73,520 ✭✭✭✭colm_mcm


    Change the coil.


  • #4
    miketheDIYman
    Registered Users, Registered Users 2 Posts: 153 ✭✭miketheDIYman


    Thanks Martin and Colm - replaced coil and solved the problem


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