cold start issues

  1. OffroadMT

    2010 5.4L Hard Cold Start and Buzzing noise from driver’s side bank after warmed up (video)

    Hey everyone, I’m hoping to get some advice on an ongoing issue with my 2010 Ford Expedition 5.4L Triton engine with 201k miles on it. The problems started after a particularly cold weather last year, and I recently replaced the spark plugs, hoping it would finally solve things, but the issue...
  2. csanch40

    Stuck ignition- cold temps

    Good morning, I walked out to start my 04 XLT 5.4 2v this morning and noticed the ignition would not budge. The key would go in but no luck getting it to turn. It is a pretty cold morning here in Indiana, with a wind chill below zero. I am sure this has something to do with it. The wheel moved...
  3. C

    ‘12 Expy Limited cold start issue

    I had a fuel pressure issue so I replaced plugs, injectors, pressure regulator and then developed a hard start when cold. No other time, however I’m getting terrible mileage now. Replaced the purge valve behind the throttle body and also replaced the throttle body which came with a new TPS. it...
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