Misfire 2012 JKU OBD scan files attached

Gatorlaw

Member
Joined
Sep 6, 2021
Messages
26
Location
Florida
Looked through the threads. I’ve changed the plugs and coils. I still get an intermittent misfire in start up. Not every time but often enough. If I shut the engine off and restart the misfire is gone and runs fine. I am at a loss and don’t want to toss parts to fix not knowing if that’s the issue. I’d rather spend the money on other mods but I want this fixed. I attach pics from the monitor scan to see if anything stands out as problematic. I appreciate the assistance.

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Yes to both. Like I said I can have no code for days then one morning on startup it reappears during warm up. I turn the car off and restart and it runs smooth. The code only gives a P0300, occasionally it will give a 0301 or 0305 (specific cylinder) but again restart, clear codes and good for a day, two, maybe a week and then shows up.