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  1. XC60 (2010 - 2017)
    Hi All, First time poster- I have a 2013 XC60 T6 R design that I wanted to share some best practices and data that I wish I had when troubleshooting. ~92K miles on the car, I had a check engine light that scanned to a P0171 code, a few weeks before I had a failing oxygen sensor code so I...
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