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tundra 2005 hesitation

  1. Engine Hesitation at 2000rpm under load

    Engine, Intake, Exhaust, Induction
    I have had a problem now that has stumped me: At 2000rpm the engine hesitates till about 2800 rpm under load only. It has fouled out three sets of spark plugs (iridium) I have tried everything I know how so far I have: cleaned/replaced the Mass air flow sensor replaced spark plugs replaced air...
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