So my DF 50 will bog down randomly, and seems to limit itself to 4000 rpm or so. It does sound as if it is starved of gas or air. I do know that I also have cooling issues, my thermostat and poppit valve are not working good, and my alarm will go off. Is it possible that my engine is not allowing itself to warm up properly because of the where the thermostat might be stuck? I believe it's my high pressure fuel pump, but thought maybe the cooling system could possibly cause this?? Otherwise, randomly hit or cold, while at 6000 rpm, engine will bog down to 4000 while cruising, and sometimes will recover, but usually won't. I have to shut engine down, let sit and start back up.., and that doesn't work all the time. Any suggestions appreciated!
Thanks!
Thanks!
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