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24 Valve 2nd Gen Dodge Cummins 98.5-02 Discussion of 24 Valve 5.9 Liter Dodge Cummins Diesels with VP44 Injection Pumps
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loss of power

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  #1  
Old 04-11-2011, 03:03 PM
smokedout's Avatar
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Default loss of power
Buddy s got a 99 with new inj. pump and lift pump and when he pulls a small trailer he cant get over 55 and said its real slug like. what could this be
 
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  #2  
Old 04-12-2011, 12:23 PM
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whats the boost doing? any mods? what tranny does he got also? thanks!
 
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  #3  
Old 04-14-2011, 01:00 PM
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all stock and turbo sounds good
 
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  #4  
Old 04-14-2011, 01:48 PM
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was it doing this before the new IP and LP?
 
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  #5  
Old 04-14-2011, 09:29 PM
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what lift pump was put back in? if it's stock it could already be toast. his injectors could also be on the way out
 
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  #6  
Old 04-15-2011, 01:10 PM
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thats what im thinkin injectors
 
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  #7  
Old 04-15-2011, 03:44 PM
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I'd check fuel pressure between LP and IP first
 
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Old 04-15-2011, 10:17 PM
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or possibly map sensor needs replaced? i got my truck and it had new ip and lp. 194000 miles. week later map sensor went out. 60 bucks and i was rollin good again.
 
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