Onan shuts down when load is applied. Diesel 7500
2004 with 4400 hrs. I changed oil (to synthetic ) fuel and air filters last week. Worked numerous times but now it starts normally and when the load ramps up to 12 amps more or less, SOMETIMES it abruptly dies.
An attempt to resart within a minute just turns it over but doesn't start. (MAYBE THE FUEL PUMP?) Waitings 5 minutes, it'll start and usually carry the load forever.
???
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