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  1. General Maintenance, Troubleshooting & Accidents.
    Have a new (to me) used 08 wrx wagon. Ok so I have a yellow front o2 sensor like older year wrx's and newer sti's but the factory sensor for my car appears to be blue. They also look a lot different on the end. Are they all the same? Judging by the picture I would think they arent.. The reason...
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