Question about Watts Onan Portable Generator - 4000 , Model# 5500

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I have a 4000 watt onan generator it will crank but will not fire has oil fuel to it

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Are you sure there is fuel in the cylinder?
- If your sure that there is fuel in the cylinder then the next question is.....
*"Is there spark at the spark plug?" If no... suspect the low oil level sensor is dirty. You can remove it and clean it with carb cleaner then test it while NOT installed.
Open air... continutiy
submerged to threads in oil... +open / infinity reading.

This unit has a fuel pump and fuel filter. I don't remember if there is a fuel solenoid relay on the bottom of your carb or not. Older units do ot have them but newer ones do.

I really need to know Yes or no to these answers
Copy and past then delete the answer you do not want me to see. I.e. Y = del N or N= Del Yes

1. Fuel in cylinder Y / N
2. Oil sensor check good Y / N
3. Fuel pump running Y / N
4. Fuel solenoid installed Y / N
5. Spark at Spark Plug Y / N
6. Fuel Selector ON Y / N

I think we can do this but I really need to know the above answers.

Kelly

Posted on Sep 17, 2010

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