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  1. Chrysler 300 Mechanical Problems and Questions
    Hi all I have a 2006 3.5L that keeps giving me codes P0137, P0138 - P0157, P0158 Both post cat O2 sensors high & low voltage. I have replaced both sensors (with the cheap universal ones), the car ran code free for 1 day and then BAM... Mr. Check engine light came back to mock me again. I do not...
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