TIL a 12-valve Cummins can still surprise you with a weird failure
Had a 1994 Dodge with the 5.9L in the shop yesterday for a rough idle. Traced it all the way back to a cracked injection pump mounting flange, which I've never seen before on that engine. The owner drove it from Boise thinking it was just a fuel filter. Anyone else run into something like that on the old mechanical pumps?