plug

  1. H

    Rear Differential Fluid Change

    I have a 2007 Expedition EL w/ 360K miles. I am the second owner and am not aware of the rear differential fluid ever being replaced. Axle code 16 meaning it is an open differential not needing the 4oz friction modifier additive, according to FordTechMakuloco on YouTube, but should I add anyway...
  2. chrono

    2017 3.5L V6 - Misfires While Accelerating

    I got this truck 2 months ago with 50k miles on it. About 3k miles later, I started noticing misfires or "pinging" in two situations: (a) when accelerating at highway speeds, like while passing, and (b) when climbing hills. Eventually I had enough misfires to trigger a persistent Check Engine...
  3. C

    Spark plug issue, how prolific?

    Hi all, We are looking for a used Expedition around the 2002 to 2006 vintage and the zooming spark-plug issue keeps popping up. How bad was/is it? Is there a percentage of the vehicles produced for each problem year? I see repair-guys on YT stating "I have replaced lots/hundreds/thousands,"...
Top