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Re: 03 K3500 Duramax, Hard Start when Hot
I'd plumb the pick-up hose from the FICM into a 5 gal cotainer of fuel. Purge the air (bleed it at the filter housing with the hand pump) and run it 'till its hot. You may need to divert the return into the jug or add fuel as needed. If it starts up OK after a... Login to read more. ![]()
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