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o2 sensors

  1. 94/95 Tech
    Hi guys I'm new to this forum so I'll start by saying hi names Robby n this is my first mustang. Now I know I'm a rookie and all but I know that 5.0's have only 2 o2 sensors. Now do any of you have any ideas on why I have 4? This is a 95 mustang gt by the way.