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South Central MN | I have a case 9250 with a L 10 Cummins ( 4800 hrs ) that when started up cold will run rough for up to a minute. It seems like a miss but I am not sure it is one cylinder missing. Just put new nozzles in and had the tappets setup and it was the same before and after. My mechanic seems to think it must have low compression on one cylinder. This engine once it gets over this runs perfect and pulls strong and burns almost no oil. Anything it could be other than one weak cylinder? TIA | |
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L 10 Cummins rough startup
