I don"t think you have air in the system if it starts and then dies. I think you have a problem in the return line. If the pump can"t return fuel to the tank, which it returns more at idle, it builds pressure up internally and quits pumping fuel. Remove the return line at the injection pump. Start it and see if it runs then. If it does then you have a blockage in the return line/system. Remove the fuel cap and blow air through the return line and you should hear a good steady flow. I had a 4020 drive me nuts this spring. It had restriction in the return system. I finally went fitting to fitting checking if I had flow. I found a piece of rubber stuck in the elbow at the tank, came out of the injection pump which was what I was replacing. Removed it and all was well.
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Today's Featured Article - George's Fordson Major - by Anthony West (UK). This is a bit of a technical info to add on to the article about George's Major in the "A Towny Goes Plowing" article. George bought his Major from a an implement sale about 18 years ago for £200.00. There is no known history regarding its origins or what service it had done, but the following work was undertaken by Harold alone to bring it up to show standard. From the engine number, it was found that the major was produced late 19
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