Luvnlife
Head Ram Rod
- Joined
- Apr 11, 2011
- Messages
- 11,752
- Reaction score
- 4,920
2003 LB7. All stock. Hard cold starting, hot starts are fine. If I plug it in it usually starts fine but really shouldn’t even have to plug it in, the temp is like 30. Hook my scanner to it and rail pressure before start up is 178. When it starts rail pressure at idle is just above 5000. I can watch it as I start it and it’s not building rail pressure above 1000, truck doesn’t start unless it builds to above 1200, computer controlled. I just replaced all the fuel hoses on the engine as they were pretty bad but didn’t replace the braided ones. Pumped air into the tank but didn’t see any fuel dripping. New filter head and filter. Balances were checked about six months ago and all within spec but I can’t remember if the tech checked return rates. What do you think?
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