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  1. Stock JK Tech Dept.
    2016 JKU. 3.6L Pentastar (stock). 6-speed manual. 78.5k miles. Yesterday, the Jeep ran rough through town. Checked the DTCs and it came back as P0303 (3rd cylinder misfire) consistent with the way the engine was behaving. This morning I swabbed the coil plugs of Cyl 1 and Cyl 3 to start the...
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