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Old 01-09-2014, 03:13 PM   #1
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New Onan Diesel Gen won't start

I saw an older post on this forum regarding a new diesel generator not starting. My problem is exactly the same: trouble code flashing 17, which is not in the owner's manual. According to the previous post, the issue is the fuel pump.
Does anyone know of the resolution to this problem? I am hoping something is just frozen as we had severe cold lately. Heading south this weekend - maybe it'll thaw out......ya never know!
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Old 01-09-2014, 03:52 PM   #2
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Quote:
Originally Posted by Rkc02 View Post
I saw an older post on this forum regarding a new diesel generator not starting. My problem is exactly the same: trouble code flashing 17, which is not in the owner's manual. According to the previous post, the issue is the fuel pump.
Does anyone know of the resolution to this problem? I am hoping something is just frozen as we had severe cold lately. Heading south this weekend - maybe it'll thaw out......ya never know!
Rkc02
The fuel pump on a "new" generator should not be problematic.
I suspect you have air in the incoming fuel caused by a crack in the fuel line or a loose hose clamp.... or loose fuel filter.
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Old 01-09-2014, 08:17 PM   #3
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Mel,
Thanks for the info. I will take a look at those areas before calling for repair. There were no leaks or fuel odors that I noticed.
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Old 01-09-2014, 08:23 PM   #4
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Had a similar problem with ours , changed both fuel filters , one on gen set and another buried on the chassis !
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Old 01-10-2014, 03:28 AM   #5
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From the service manual....
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Old 01-10-2014, 09:53 AM   #6
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Mel,
Thanks for the info. I will take a look at those areas before calling for repair. There were no leaks or fuel odors that I noticed.
Rkc02
Often cracks in, or loose clamps on, an incoming fuel hose will not leak fuel, (but the genset fuel pump may/will/can suck air into a line with a leak).
Mel
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Old 01-11-2014, 09:07 PM   #7
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Had the same problem in my Fleetwood. I keep everything ship shape all the time, I thought. I was getting a code that there was an issue with the inverter. The manual said that the gen set started off the engine batters, well I was at the gen set and for one last try I hit the start button. A friend inside the coach asked what I had just done. The lights dimmed when I hit the run switch. As it turned out I had a very simple, stupid on my part solution. The cable harness on my house batterie were just about to fall out the rig they where so badly corroded. A gallon of distilled water and 6 new connectors I was back in business, trust me my batteries from that point forward will never be neglected.
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