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jjrbus's avatar
jjrbus
Explorer
Sep 19, 2022

Running portable generator off vehicle fuel tank.

On another forum someone posted about running a Honda EU2200i off the original fuel line from the removed Onan. I have been using the mighty little Honda forever and never heard of tapping into the v...
wa8yxm's avatar
wa8yxm
Explorer III
Sep 20, 2022
jjrbus wrote:
I have used the external tank for years. My concern is the vehicle fuel system is pressurized, would it push fuel through the Honda? Just does not sound right.


The vehicle fuel system is not pressurized... There is a pump (External to the ONAN generators but very close to it)( specific to that line. the line pre-that pump is not pressurized might be slight vacuum in fact.
A Separate line to the main engine IS pressurized. But that is for the Motor home's motor.

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