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  1. ('01-'02) 2001 - Lower O2 Sensor Repeat Failure?

    Problems, Maintenance, and Warranty
    I have a 2001 Subaru Forester (base model) with 250,000 miles. Within the past 100,000 miles, I've changed my downstream O2 sensor 3 times. My check engine light just popped back on this last week, and my car has begun having some trouble idling again. I'm in full anticipation of it throwing a...
  2. ('03-'05) 2004 - Intermittent missfire/knocking?

    Problems, Maintenance, and Warranty
    I recently got an 04 xt with 137,000 miles, 2 hours after I bought it I got rear ended and it smashed the muffle to the rear subframe so I now have an involuntary muffle delete cause it needed to be cut off for any amount of air flow. Next I put a Perrin intake and a Cobb access port on and I’m...
  3. ('03-'05) 2004 - Running Rich on one side, "Unknown" Codes (video)

    Problems, Maintenance, and Warranty
    I bought a '04 Forester XT 4AT a couple months that wouldn't really idle. There was no check engine codes, if I remember right, at the time I got it. I proceeded to change plugs and do simple troubleshooting, and nothing fixed it. Naturally, I decided to pull the engine. All the exhaust valves...
  4. ('14-'18) 2017 - Hill assist and traction control lights on again - had the brake light switch changed?

    Problems, Maintenance, and Warranty
    I have a 2017 and I had three lights come.. and, hill assist and I think traction control I read it’s usually the brake light switch and I had it changed and two weeks later the lights came back on🥴. Any suggestions?