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  1. J

    Help code p0171

    My Explorer starts drives fine until it reaches temp then dies, my o2 by the cat (upstream) is greasy as he'll and my egr looks like its missing a hose lean bank 1 what do I do?
  2. J

    Help code p0171

    My Explorer starts and drives fine until temp then dies the o2 sensor by the cat (upstream) is greasy and old looking and my egr looks like it's missing a hose please help....!
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