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Originally Posted by earnhardtnut
I finally had time to do more checking and testing and this is what I have found. I replaced the regulator under the intake today. Last fall I replaced the fuel pump. I have 60 lbs fuel pressure when the pump kicks in. As soon as I turn the key off It drops fast to 0 lbs. Right now if you turn the key on and the pump cycles it will start right away. If you let it sit for a while the truck cranks a while befor it will start. Can anyone help???????
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If it drops to 0, then it has to be 1) fuel pressure regulator 2) Bad injector(s) 3) Check ball in the fuel pump.
You could pull the plugs after it sits for a few minutes and see if there is gas in any cylinders.
//2000CAYukon