2002 Honda Odyssey has a miss under acceleration. Code p1399 AND multi miss fire codes. Swapped out plugs, coil packs, ck for vacuum leaks, ck timing, ck ground at computer, cleaned EGR valve, disconnected EGR valve to se if it made any difference. Still misses. Not sure where to go from here

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02 Jul, 2012

  • 63%
    Solved this issue
  • 103min
    Time to fix
  • 65%
    Recommend to DIY
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Please read the web page at this LINK on misfire diagnosis and testing, it is the best i have found for learning what causes a misfire. The info is copyrighted so I can't copy and paste it for you.
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