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oxygensensor
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  1. EJ25 - 2.5L Turbocharged (2004-2013)
    The O2 sensor on my 2009 Forester XT (turbo) just went bad, and neither the dealership or a muffler shop could remove it (rusted in), so they are recommending that I just replace the front catalytic converter. Apparently, in the turbo, there is both are pre- and post-turbo catalytic converter...
  2. EJ25 - 2.5L Turbocharged (2004-2013)
    Hey all, I have P0420 coming up so I replaced the cat converter but I'm still getting the code which leads me to believe it's one of two o2 sensors. I found a junkyard near me that has a 2005 Forester, I'm just wondering if I take both o2 sensors off of it, will they fit in my 2001 XT? The place...
  3. EJ25 - 2.5L Non-Turbo (1998-2010)
    I made a seperate post about a rough idle. This should definitely fall under a new thread because some of the answers led me to suspect that while the car is most definitely a 2002, the ECU may not be. A friend told me the engine in my car is a 2003... It threw a P0171 code, and all my research...
  4. EJ25 - 2.5L Turbocharged (2004-2013)
    This is on an '11 FXT, 102k. I replaced the oxygen sensor and used my Accessport to clear the code. I drove the car four or five separate times and it was fine, then the following day the code threw again. What's the next approach to this one?
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