Narrowed down sudden major fuel leak , common on isx cummins engines. The injector housing/nuts came loose just from vibration of engine I suppose and pissed out diesel every where. I carry tools and luckily had exactly what I needed. Will need a 1/2 in drive socket wrench, 1/2 in drive extension, medium length and one super short extension, and a 7/8 or 22 mm crows foot socket . Easier to get them snug if you carefully climb on top of chassis in engine bay . Hope this helps someone. Dry the injector housings after and check for leaks to stop

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