It seems that disconnecting this hose has been the only thing that has worked so far. I have tried to check everything else you recommend on here with no luck.

I believe it is a vapor fuel box of some form. Between the air intake connector end and where it connects to the regulator, there is a black box 2x2x4 inches that feels and sounds hollow. 2019 Forge Bowl Event/Beta 29 December, Champions Retreat.png Champions Retreat 30 December, Classical Garden Pool.png Classical Garden Pool 31. So I just left it disconnected and no problem (temporarily).

But if any pressure was put into that end or any pressure was pulled from that tube it would immediately stutter and die. Here is my question, what do the three different fuel lines do? Balanced, slow, and injector? I removed the balanced line from the air intake side and immediately it was working. My Hyster forklift is running lean, slower to respond when the throttle is pushed, rough idle, and as others noted, it is hard to start upon the first start.

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