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2003 ford focus

  1. MK1 Focus
    I have a 2003 Ford Focus SE 2.3L Wagon with 136k miles that shudders/struggles to start up when cold. Any ideas for what to look for? I have 4 new spark plugs New starter New valve gasket cover New fuel filter When I put the dash into test mode, fuel pressure was reading around 40 PSI so I...
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