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Cummins Oman 2500 LP generator help

Posted on 3/25/26 at 7:00 pm
Posted by SaintNation
West Monroe
Member since Dec 2008
2008 posts
Posted on 3/25/26 at 7:00 pm
I have an RV with this generator. Was running fine then just stopped. I have full tank of LPG, battery on fuel and it's cranking but just won't start. It's like it's not getting fuel.

Any help would be greatly appreciated
Posted by DownshiftAndFloorIt
Here
Member since Jan 2011
71861 posts
Posted on 3/25/26 at 7:03 pm to
Whats the model number? Post a picture of the name tag if its all still legible.

Is the fuel valve energized or not?
Posted by SaintNation
West Monroe
Member since Dec 2008
2008 posts
Posted on 3/25/26 at 7:11 pm to
Model # 2.5HGJBB-1121A

How do you check if the fuel valve is energized? It's in a tough location under the RV to get to

I'll send ya $100 if you can tell me how to get this thing running.
Posted by SaintNation
West Monroe
Member since Dec 2008
2008 posts
Posted on 3/25/26 at 7:13 pm to
I would send a video and picture but not sure how to do that on here
Posted by Barneyrb
NELA
Member since May 2016
7141 posts
Posted on 3/25/26 at 7:29 pm to
Does it have an oil level sensor on it?
Posted by SaintNation
West Monroe
Member since Dec 2008
2008 posts
Posted on 3/25/26 at 7:33 pm to
It says oil level would throw a code which it's not, check oil and it's full
Posted by DownshiftAndFloorIt
Here
Member since Jan 2011
71861 posts
Posted on 3/25/26 at 7:41 pm to
quote:

? It's in a tough location under the RV to get to


Well, youre about to figure out why RV service rates are rediculous...

If you arent in a hurry I can pull the troubleshooting guide for it tomorrow evening. You have to find the fuel valve and figure out if its open or not. Where exactly it is varies but it will be somewhere right before the carburetor. Usually if they wont start its because there's no gas at the carb.
Posted by DownshiftAndFloorIt
Here
Member since Jan 2011
71861 posts
Posted on 3/26/26 at 9:32 pm to
Had to work late today. Did you figure it out?
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