7HGFAD-2141J Onan Generator popping!
Hi all, have this truck mounted generator that is popping some, I'm told it died at least once. It has had fairly good maintenance, recent oil change, just put in new plugs, fuel filter was changed an...
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is this a HGJAD ? dont recognize HGFAD as a current ONAN model.
This is an EFI model, and fuel system works much like an automobile.
You have a high pressure pump, fuel pressure regulator, and return line to tank. Is "popping" coming from exhaust, intake, or ???.
would check rocker arms, valve guides, push rods. valve guides can come loose from heads, causing valves to not seat, and make a popping sound
This is an EFI model, and fuel system works much like an automobile.
You have a high pressure pump, fuel pressure regulator, and return line to tank. Is "popping" coming from exhaust, intake, or ???.
would check rocker arms, valve guides, push rods. valve guides can come loose from heads, causing valves to not seat, and make a popping sound
