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help with crank sensor

  1. 4.7L V8 Specific Topics
    Other day my MIL came on then truck died,was able to restart and get home. codes came up P0344 CPS. I replaced crank sensor. Drove beautiful for 10 mins and bam again. I also pulled the cam sensor and cleanned and am now getting both sensor errors. Rest pcm and MIL wont go out.Any suggestions...