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Mike Pearson · 10-15-2024, 06:33 PM

Mine has an 8k QD Onan. One time it would not start. I took the front cover off and the spade connector for the fuel pump had come apart probably from bumping down the highway. Plugged it back together and it start right up. I crimped the connection a bit tighter and it has been problem free. Replace the fuel and air filters. I change my fuel filter every other oil change. Change oil every 100 hours.
I would pull the front cover off and check all the connections before getting a new board.

10-15-2024, 06:33 PM	#4
Mike Pearson VIP Member Join Date: Mar 2007 Posts: 2,454 Likes: 616 Liked 1,943 Times in 584 Posts	Re: Onan 12.5kw issues Mine has an 8k QD Onan. One time it would not start. I took the front cover off and the spade connector for the fuel pump had come apart probably from bumping down the highway. Plugged it back together and it start right up. I crimped the connection a bit tighter and it has been problem free. Replace the fuel and air filters. I change my fuel filter every other oil change. Change oil every 100 hours. I would pull the front cover off and check all the connections before getting a new board. __________________ Mike Pearson 2485 SS