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Raptor 150?'s

554 Views 5 Replies 3 Participants Last post by  ctd24valve, 
00BRam
I have been through two pumps in 3 weeks, pressure drops ramdomly and the other leaked fuel. Now I just put the new on on and it drops to 10psi give or take when you start the truck, then it goes up to 18psi and works like a charm. Why does it drop pressure like that everytime the truck is started? It only happens once when started, other than that it holds psi good.
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waveman
Fuel pressure drop

It should drop in pressure otherwise it won't start. read thread below.

(http://www.cumminsforum.com/forum/98-5-02-modifications/3378-what-pusher-pump-why-use-one.html)
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