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coil pack

  1. Probable misfire but no codes thrown

    Hi, sorry about this being my first post. I have a 2005 Sequoia with a the Hewitt-Tech plug and play kit. Long story short there, the dealer I bought it from apparently cleared the codes out. (not a Toyota dealer). This modification has been working since April. Anyway, on July 4th...
  2. Coil Pack or Valve Adjustment

    I recently started my truck (2000 4.7) yesterday and found that it didnt feel right. it started to shake. it was very noticable. i put it in drive to see if it would go away but it became worse and the check engine light started to blink. pulled it back into the driveway and had a buddy come...