1st Generation Dodge Cummins 89-93 Discussion of 12 Valve 5.9 Liter Dodge Cummins Diesels with Rotary Injection Pumps

1989 12v

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Old 11-16-2014, 03:42 PM
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Default 1989 12v

My first gen all of a sudden is not running well. usually when i start my truck i cant take my hand of of the key fast enough but latly every now and then it will fire and die. There is a new fuel pump on it and a rebuit injection pump.Could my factory stock (untouched) injectors be going out finally
 
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Old 11-21-2014, 04:35 PM
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Old 11-21-2014, 04:42 PM
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does not sound like an injector issue to me, they just pop off and spray the fuel they are given
 
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Old 11-21-2014, 05:04 PM
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Is this with cold startup? Mine fires instantly when it is warm, but the last couple cold mornings I've had to cycle twice to start and idle.
 
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