My XTDT D8A does the surging then cuts off. Also the white dial looking thing on the side of the filter housing is leaking fuel. I'm going to open the housing during sunlight tomorrow. I went and got a new filter and some different o rings. Hopefully I wont need a new housing. A week ago Changing the glow plugs I found a split end on the boost compensator hose and cut a clean end. It had heaps more boost from around 2000rpm to around 4000 when the fuel supply couldn't keep up. But now its got fuel leaks.
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