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  1. J

    Unusual misfire situation...

    Well, I tried to take it out today with an extractor with the head/intake still on. I'm not sure if my technique is wrong or what, but that bolt ain't going nowhere. Might have to just bite the bullet and take the head off to see what I can do with it. Just sucks because I just put brand new...
  2. J

    Unusual misfire situation...

    No, is that the proper way to do it? All I did was unplug the coil & injector, take the plug out, put the compression gauge in, fire it up, clear the gauge a couple of times then recorded the PSI number. It was at idle. I do not think it is rust as it wipes off easily, but you may be right...
  3. J

    Unusual misfire situation...

    Dynamic compression test resulted in: Cylinder 1: ~85 PSI Cylinder 2: ~90 PSI Cylinder 3: ~88 PSI Cylinder 4: ~90 PSI Cylinder 5: ~90 PSI Cylinder 6: ~88 PSI Didn't bother with 7 or 8. Normal, right? Cylinder 1 being at 85 confused me at first but I didn't think much of it as it's not having...
  4. J

    Unusual misfire situation...

    There is no noise to indicate anything wrong. The only way I could know it was misfiring is from closely watching the RPM gauge and feeling the vibration when sitting in the car, and of course the pending code. It's a slight misfire for sure. I can't feel/notice it at all outside of idle...
  5. J

    Unusual misfire situation...

    Hello, thanks for having me. Yeah a very slight bend may well be problematic, if you're right about that and it's not a worn cam lobe or lifter, that'd save me a lot of trouble. Will try the glass rolling. It's off a 5.3, they're all supposed to be the same length yeah.
  6. J

    Unusual misfire situation...

    Hello guys, I am having a misfire on cylinder 5 that I can't seem to get away from at all. The P0305 code is not making a light on the gauge (it's pending) but I can still scan for it and slightly feel it at idle. Vehicle: 2014 Chevy Suburban (Vin "0"). What I tried: Moving the spark plug...
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