Posted by UP Oliver on June 07, 2016 at 12:27:12 from (68.70.134.87):
I have a David Brown 990. It was working fine until late last fall when my wife was brushcutting, I was putting metal on the pole barn and could hear the tractor start to labor out in the field. I have more exhaust than usual, and a lack of power. It sounds like it is missing, but I am no expert on what that sounds like. Also, it misfires when I throttle up.
I have replaced the fuel filters, disconnected the air filter for a quick check there, I have used the dope (as one guy I know calls it), Diesel 911, Diesel mechanic in a bottle and Seafoam. I don't see any leaks anywhere in the fuel lines. It still runs poorly.
I don't know what the next step should be. My manual says to bleed the fuel system for misfires among other things. When I have bled the system in the past, once I get it running there has never been any problems like this so I doubt that is the problem? Wouldn't mind some advice on that.
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Today's Featured Article - Choosin, Mounting and Using a Bush Hog Type Mower - by Francis Robinson. Looking around at my new neighbors, most of whom are city raised and have recently acquired their first mini-farms of five to fifteen acres and also from reading questions ask at various discussion sites on the web it is frighteningly apparent that a great many guys (and a few gals) are learning by trial and error and mostly error how to use a very dangerous piece of farm equipment. It is also very apparent that these folks are getting a lot of very poor and often very dangerous advice fro
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