Injection pump problem - Diesel Bombers

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

ok i think my pump is going out but im not positive. my truck was running fine all day then when i got home and came to a stop before i put it in park it died. it fired back up just fine but died ... JOIN NOW TO REMOVE TRACER

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  #1  
Old 11-11-2009, 09:51 PM
cumminskid92's Avatar
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Default Injection pump problem

ok i think my pump is going out but im not positive. my truck was running fine all day then when i got home and came to a stop before i put it in park it died. it fired back up just fine but died as soon as i put it in gear again. now it starts hard and dies when i put it in gear when it is cold. its not bleeding back and the idle is plenty high, actually alittle too high. -

cumminskid92's Sig:92 D350 short bed, 2wd, reg cab.
pump maxed, hx35, 5in from trubo to 5in stacks
p pump conversion coming soon
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  #2  
Old 11-11-2009, 10:26 PM
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i take it you changed fuel filters
do you have a fuel pressure gauge? -
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  #3  
Old 11-11-2009, 10:33 PM
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i dont have a guage but the filter is new. the truck runs great other than start up and wanting to die in gear -
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  #4  
Old 11-12-2009, 10:06 AM
dixierebel0213's Avatar
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Status: Puttin the tranny in Its gonna Be sweet

   

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i dont know about yours but on the second gens when the torque convertor starts coming apart and locking up inside they will stall when put in gear. -

dixierebel0213's Sig:Rolling Smoke
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  #5  
Old 11-12-2009, 08:16 PM
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well the converter is only a few months old and it should be able to handle what i have going to it no problem -
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  #6  
Old 11-12-2009, 08:21 PM
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Status: Diesel and Beer, Its St. Pattys' everyday!!

   


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The odds of your injection pump going out isn't very likely but thats not to say that it can't. Never say never. Anyways, It could very well be the injection pump and sounds like the main cause of your problem. At the same time it could be something else because if it starts its getting fuel. So, its either not getting enough fuel when its in gear or something else is wrong. Sorry I have such limited knowledge of the first gens. -

tdiezel's Sig:2004 Dodge Ram 2500 Cummins with NV5600 6spd. 150gal FASS fuel pump, Volant Cold Air Intake, 5" Pro Comp Coil-over Suspension, 17" Eagle alloys, 35" Cooper S/T Tires, Industrial Injection CP3 85% over stock, 5" TB Straight Pipe Exhaust, Line-X Bed Liner. (Gauges next )


Diesel Dawgs Performance
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  #7  
Old 11-12-2009, 08:36 PM
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alright. im just totally lost and i have no idea where to start -
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  #8  
Old 11-12-2009, 09:25 PM
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Status: Need a new fuel pump....looking at the airdog!!

   

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well have you checked the lift pump( if it's stock), it might be going out. -

DieselPerformanceGuy's Sig:1992 dodge CTD,auto,RCLB, w250, 170,500 on the odometer,5x.014's , 366 spring, pump maxed, 1/2 turn from runaway, bully dog fuel pin, bully dog 4 inch exhaust, asa modifieds intake, auto meter boost and pyro gauges, isspro 4k tach, and a new 62/65/12 s300 turbo, soon to have an AirDog fuel pump.
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  #9  
Old 11-13-2009, 01:36 PM
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i havent checked it but it is not even 6 months old. i guess i just need to get a fuel pressure guage -
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  #10  
Old 11-14-2009, 10:37 PM
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if it runs fine other then idle, then i wouldn't think it to be the lift pump, when my stock lift pump went out the truck would run right to save it's life.....all i could get it to do was idle, didn't matter if i held it flat or half throttle. don't no what to tell you other then i don't think it is your lift pump -

seandonato73's Sig:1990 Dodge W250, custom intercooler, 4" turbo back exhaust,DDRP fass pump, 3200rpm gov spring, injection pump maxed out, 80hp DDP injectors, upgraded intake housing and compressor wheel,auto meter pyro,boost, fuel pres,and oilpres guages
comming soon: m&h fuel pin set(m2-m5) ,Air dog II fuel pump

1993 F150 264,000 miles on the 302, 6" lift 35x14.50 thornbirds,and still pullen jeeps out of the mud!!
1987 f250 6.9 IDI c6 auto, 2wd beater
1973 F250 hi boy 4x4, 360FE 37" TSL's no lift
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  #11  
Old 11-16-2009, 06:35 PM
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i dont know. i guess i just need to hurry up and do the p pump swap and see if that fixes the problem. if it does i guess that means i get to rebuild the ve so i can give it to my teacher. -
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