Ford Mustang Forum banner

p0430 trouble codes

  1. 2005-2010 Mustang GT Tech
    I bought a 2006 Mustang GT. After replacing both front O2-Sensors. Now I am getting once per week a p0430 (Catalyst Efficiency below Threshold (Bank 2)). After Resetting the code everything seems to be OK. Is it an electronic error - or is there a Problem to be attended? I tested what will...
  2. 2005-2010 Mustang GT Tech
    My 2005 Mustang Gt check engine light came on a few days ago, and the OBD2 device I have is reading the same trouble code, P0430. The code is for either problems with the o2 sensors not reading properly, catts, or exhaust leak. I also recently took my car in to Midas a few months earlier to get...