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mil codes

  1. Newbie Check In!
    Hello Everyone, I joined up here looking help with my 08 300c awd 5.7L. I bought this car from Car-sense against my better judgement of NOT seeing it on a lift first. with that said, I got an MIL with 2 codes a month after I purchased it. Po13a and a 420. I got under the car, and found that...