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Still fighting 7800 with intermittent miss
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Posted 1/13/2021 11:26 (#8747860)
Subject: Still fighting 7800 with intermittent miss

BC, Canada

Can’t seem to pinpoint the miss yet. Kind of thinking about pulling the injection pump and injectors and having them tested. 8430 hrs
Idling at 1050 it will drop down to about 930-950 with an audible miss not just a constant drop in rpm

Also has a decent rear crack seal leak that when I cover the crank case vent tube really picks up.

Does anyone know what injector adapter kit I would need to test compression aside from a JD one. Or know what engine in the truck world uses the same injectors.

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