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engine misfire
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  1. DURATEC Performance (2003-2007)
    Hey I really want to nail this issue I've got with my car. There's a misfire in cylinders 2 and sometimes 3. I have done the following; Changed spark plugs Changed coil overs Changed fuel module Ran compression test Tested fuel injectors Ran cleaner through motor (Tests came back with no issues)...
  2. New Members Check In!
    So my focus popped up 3 codes to be specific PO300- multiple cylinder misfire PO302- cylinder 2 misfire PO316- engine misfire on startup first 1000 rev I originally thought it was my spark plugs which helped but didn’t stop it. What do you guys think and do you think I have to take it in or can...
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