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  1. J

    Code P0307 Miss fire cyl #7

    I didn’t hear anything unusual. Noise wise seems to be running fine, as noted, attached is a photo.
  2. J

    Transmission acting up

    So recently my transmission wants to shift to the next gear after 35mph at a higher RPM. To avoid this I let off the gas for the shift to happen then I can accelerate to 50mph while hearing the engine wanting to rev up to make that next shift possible. When I put the vehicle in drive from being...
  3. J

    Code P0307 Miss fire cyl #7

    So I keep getting a flashing yellow check engine light when I accelerate my Yukon. This repeats every few days for about 20 seconds or so and then kicks off. I clear the code with my OBD2. I have all new plugs and wires. Most recently I swapped around plugs, wires and ignition coil with cyl. #5...

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