• Sign Up! To view all forums and unlock additional cool features

    Welcome to the #1 Explorer ST Forum and Explorer ST community dedicated to Explorer ST owners and enthusiasts. Register for an account, it's free and it's easy, so don't hesitate to join the Explorer ST Forum today!


Search results

  1. T

    Upper O2 Sensor Failure

    Our 21 explorer ST has a upper 02 sensor that has failed. The service manager told my wife that this will continue to happen unless we use premium fuel. We currently fuel exclusively with ethanol free gas running 88 octane. Is what he saying true at all? I don't think so based on the fuel...
  2. T

    Catalytic Converter Cracking

    Our ST has been parked at the dealer for 2 weeks due to exhaust smells in the car because of a cracked catalytic converter. They say the factory replacement cats are cracking as well. So the car continues to sit there. I am checking on the dealer with this post because I’m concerned it’s...
  3. T

    Question About Snow Tire Fitment on ST

    I have a set of 20" snow tires on rims that used to be on my 2018 Ford Explorer Limited that I would like to install on my 2021 Ford Explorer ST. I still need to verify the offset, but my question is more related to the outside wheel diameter. The 275/45R21 tires have an outside diameter of...


Top