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dunedawg's avatar
dunedawg
Explorer
Jul 30, 2013

Onan Marquis Gold 5500 shuts down after 20 minutes

I have a 2007 Weekend Warrior trailer with an Onan Marquis Gold 5500 gas generator. As I've seen posted in the past, mine will run for about 20 minutes, then shuts down. It shows a 36 error code (gas ...
Toy Haulers
Bedlam's avatar
Bedlam
Moderator
Jul 30, 2013
Are the pumps failing due to clogged fuel filters or collapsed lines? I'm seeing much more of this with the ethanol mixed fuels. Recently I replaced fuel lines on two different motors: One line hardened solid and became brittle while the other one started separating in layers at the nylon weave.

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