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p0303

  1. General Troubleshooting and Technical Help
    Hey everyone! I’ve got a 2003 forester X EJ25 5 speed with 241,000 miles. The problem I’m having is that my CEL comes on and says that all 4 cylinders are misfiring. The CEL will blink sometimes (I know it’s bad for the cats. Lol) but it goes away after a second and then stays on. I’ve changed...
  2. EJ25 - 2.5L Non-Turbo (1998-2010)
    I have a 2006 Forester that I got used a year ago. After a head gasket repair job, it started a week or so later with the cruise control not working, and both the Cruise light flashing and Check Engine Light being constantly on. The mechanic read the code (P0303) and wasn't sure what exactly...
  3. General Troubleshooting and Technical Help
    Greetings, all! I recently bought a 2008 Forester, non-turbo, AT, and have been addressing some common issues that people seem to have with high mileage Subes. Car has 244,500 miles on it. The engine starts well, and after driving a few minutes, the CEL illuminates and I have P0303 code for...
  4. General Troubleshooting and Technical Help
    Hey all! So I’m new to the whole forum thing, but I’m hoping that maybe someone could steer me in the right direction? I have a 2003 forester x 5 speed with an all stock ej25, that has just hit 217,000 miles. The problem I’m having is that I’m getting codes p0301, p0302, p0303, and p0304, but...
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