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2018 jlu

  1. HELP!!! Codes Galore - Changed Plugs & Coils, PCV, Upper Plenum Gaskets.....still throwing same codes.

    So, I've got a 2018 JLU Sahara 3.6. It has 102k, knew I needed to do maintenance on it, but got a CEL & stop/start before I was able to. Got a P0174, P0300, C3403, P0301 and P02098. Changed the coils, plugs, pcv valve and upper plenum gasket while in there. Thought I would be fine. NOPE! Drove...




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