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Check engine light on

Discussion in 'Liberty' started by biff, Oct 14, 2022.

  1. Oct 14, 2022 at 9:07 AM
    #1
    biff

    #1
    biff [OP] New Member

    Joined:
    Oct 8, 2022
    Member:
    #6914
    Messages:
    2
    Gender:
    Male
    First Name:
    Paul
    Vehicle:
    2011 jeep liberty
    stock
    I’m at a loss I’ve replaced coils spark plug wires spark plugs and injectors I reset the code Jeep runs fine then all of a sudden one or two days later the check engine light comes back on and when I checked the code it says cylinder four misfire any ideas thanks
     
    biff, Oct 14, 2022
    #1
  2. Oct 15, 2022 at 8:31 AM
    #2
    Dirty Dog

    #2
    Dirty Dog Well-Known Member

    Joined:
    Sep 14, 2022
    Member:
    #6740
    Messages:
    62
    Gender:
    Male
    First Name:
    Mark
    Vehicle:
    2011 & 2013 JKU Rubicon
    2011 Mago Tango JKU Rubicon - 3.25" Rough Country suspension lift. 35x12.5" Toyo Open Country on 18x9" Rockstar wheels. Vijay front and rear bumpers. Smittybilt 9500lb winch. Poison Spyder Brawler rock sliders. Smittybilt spare tire carrier. Off-road lighting. Voswitch accessory switch system. 10" Android/CarPlay touch screen headunit with Rayoo backup camera. 2013 Crush JKU Rubicon - 5" Rough Country suspension lift. 35x12.5" Toyo Open Country on 18x9" Rockstar II wheels. Vijay front and rear bumpers. Smittybilt 10,000lb winch with bluetooth remote. Poison Spyder Brawler rock sliders. Smittybilt spare tire carrier. Off-road lighting. Voswitch accessory switch system. 10" Android/CarPlay touch screen headunit with Rayoo backup camera. Bullydog GT Platinum.
    Consider a bad head gasket or a bent/burned valve.
     
    Dirty Dog, Oct 15, 2022
    #2
  3. Jun 7, 2023 at 12:17 PM
    #3
    Damwan01

    #3
    Damwan01 New Member

    Joined:
    Jun 6, 2023
    Member:
    #7834
    Messages:
    2
    Gender:
    Male
    First Name:
    Dam
    Vehicle:
    2008 Jeep Liberty Limited
    Un-modified
    troubleshooting vs replacing. Get yourself a Jeep Liberty service manual and troubleshoot the problems(codes being shown) before you spend a fortune replacing components you may not need to.

    Cheers
     
    Damwan01, Jun 7, 2023
    #3
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