I joined to ask for help with a Kabota 4 cylinder turbo powering the generator in my motorhome. While researching on line this site kept popping up. Seem like a great deal of knowledge!!!
The generator was running rough a while ago and I pulled the fuel line after the pump and observed what I guess was aglae (white slime). I replaced the filters and cleaned out the tank and all seemed good for several hours. It stated running rough again and I thought I might as well swap out the filter again in case I did not get everything out. I used the jet start valve to purge the air and it seemed to run fine after, but for only about 12 min and then it would die. I could not get it started without out re-purging the air and then it would start and run for 12 min and then die again. This is repeatable over and over again. I discovered it will run indefinitely if I leave the jet start valve open???? I’m not sure what would cause this. I’m tempted to just leave it open, but I have not tried the generator under a load in this condition. As a further point of information which may or may not relevant… I installed a fuel pressure gauge just before the injector pump. It reads between 3 and 4 psi when running and with the valve open drops to zero when the gen is shut off. With the valve closed it will hold 3 psi when the generator (and electric pump) is off. I’m thinking I might be sucking air in somewhere on the input side of the pump or maybe the return line is clogged. Do these symptoms mean anything to anyone????
The generator was running rough a while ago and I pulled the fuel line after the pump and observed what I guess was aglae (white slime). I replaced the filters and cleaned out the tank and all seemed good for several hours. It stated running rough again and I thought I might as well swap out the filter again in case I did not get everything out. I used the jet start valve to purge the air and it seemed to run fine after, but for only about 12 min and then it would die. I could not get it started without out re-purging the air and then it would start and run for 12 min and then die again. This is repeatable over and over again. I discovered it will run indefinitely if I leave the jet start valve open???? I’m not sure what would cause this. I’m tempted to just leave it open, but I have not tried the generator under a load in this condition. As a further point of information which may or may not relevant… I installed a fuel pressure gauge just before the injector pump. It reads between 3 and 4 psi when running and with the valve open drops to zero when the gen is shut off. With the valve closed it will hold 3 psi when the generator (and electric pump) is off. I’m thinking I might be sucking air in somewhere on the input side of the pump or maybe the return line is clogged. Do these symptoms mean anything to anyone????
