F150 Ecoboost Forum banner

catalytic converter

  1. F150 Ecoboost Problems
    Hi - Long time lurker first time poster here.. I've got a bit of puzzle and I'm looking for any advice or experience you guys might have. 2015 2.7L F150 Both my Catalytic converter and muffler are leaking out of the weeping holes.. the muffler is bulging a bit at the input which I would...
  2. F150 Ecoboost Maintenance
    My check engine light recently came on so I took it to a shop to see what caused it. The report I received didn't give a specific code, but instead, said L upper Emission System Oxygen sensor. Does anyone know which side the left sensor is? I know its before the catalytic converter but not sure...
Top