12 Valve 2nd Gen Dodge Cummins 94-98 Discussion of 12 Valve 5.9 Liter Dodge Cummins Diesels with P7100 Injection Pumps

fuel pump issues

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Old Sep 5, 2011 | 12:53 PM
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Default fuel pump issues

Hey guys if a fuel pump is maxed out will it surge when you drive the truck? And whack fuel pump max out at?
 
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Old Sep 5, 2011 | 07:28 PM
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is turbo surge what ur feeling? or is the rpms surging?
 
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Old Sep 5, 2011 | 08:31 PM
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um sir your fuel pump is not maxed out. just sayin. and surge is hard to say what it is unless i hear it but im guessing its automatic if its surging not sayin a manual dont ive always experienced it in automatics

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only reason i say its not maxed out is u asked a question what it maxes to. u can have one maxed out at a pump shop and in my opinion a shop can only do it. whats all done to your pump ? dv's, afc mods? fuel plate? gsk kit? dual feed? timing advanced? wat cc's is it pushing? rack plug? different cam or plungers?
 

Last edited by blazier18; Sep 5, 2011 at 08:31 PM. Reason: Automerged Doublepost
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Old Sep 5, 2011 | 08:33 PM
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well idk i was thinking about getting a 95 and the guy said it needs a fuel pump but i figured i would ask you guys so i dont get screwed! it has quiet a bit done to it but it is an auto! he said it surges when you drive normal and when you stomp on it!

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um borg warner turbo no plate just the normal mods!
 

Last edited by tanner97; Sep 5, 2011 at 08:33 PM. Reason: Automerged Doublepost
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Old Sep 5, 2011 | 08:38 PM
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thats turbo becuase ( not alot has been done to anything) your turbo has a wastegate and when the turbo spools a certain amount of psi it will open and surge. and if it needs a fuel pump abort abort unless it needs a lift pump. can i talk to him is this truck on craigslist somewhere or is it a friend?

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borg warner turbo? ask him wat size inducer/compressor/ exhaust housing is. s300 chasis turbo can vary in numbers.
 

Last edited by blazier18; Sep 5, 2011 at 08:38 PM. Reason: Automerged Doublepost
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Old Sep 5, 2011 | 08:57 PM
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yeah you can talk to him, this is the number, its a 95 cummins...336-755-9050! thanks for helping, it would be much appreciated if you could help me find out whats wrong! Oh and he said that it was the fuel pump on the outside of the tank that needed to be replaced!
 
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Old Sep 5, 2011 | 09:00 PM
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thats a lift pump not a injection pump. ill call him in the mornin man ill get the down low on it.
 
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Old Sep 5, 2011 | 09:02 PM
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sweet man thanks! much appreciated!
 
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Old Sep 5, 2011 | 09:16 PM
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no problem man
 
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