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p0401

  1. P0401 EGR A Flow Insufficient Detected & P0304 Cylinder 4 Misfire Detected 2018 JL 3.6V6

    Jeep is currently at 95,440 miles. Yeap I know, Its about time. Been getting this P0401 EGR code for a while engine light would come off once a week/once a month/sometimes once a day occasionally would go away on its own but It comes back. Car is currently sitting at dealership for EGR Valve...
  2. Engine Light P0401 EGR performance

    So this is the second time engine light showed up. First time was about 6 months ago it went away after couple days and it was the same problem same code when I used the code scanner from Autozone. Its been months now and randomly got another engine light so I checked again and got the P0401...




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