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Old 04-07-2011, 03:20 PM   #1 (permalink)
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89 first gen wont start help!!!!

hey guys i have an 89 dodge 350 with the original first gen cummins in it it wont start where do i begin after fuel cuz i just replaced the lift pump first thought it was that because i ran it out of fuel the other day fueled it up then for a couple of days been hard to start since then just stalled while driving and will not start now i cracked one of injector lines to make sure fuel was getting there and it is what now this is my get to work vehicle and could use some help quick

thanks
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Old 04-07-2011, 04:49 PM   #2 (permalink)
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Check the wires to the fuel shut-off solinoid and make sure theres 12v getting to it if you hav'nt already. You say theres fuel getting to the injectors, there might not be enough for it to start.
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Old 04-08-2011, 10:58 AM   #3 (permalink)
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Did you bleed the fuel system? They won't run or start good with air in the fuel system.
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Old 04-08-2011, 12:19 PM   #4 (permalink)
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How do I do these where is the shut off and what lune should I crack open to bleed the air I tried the water drain on the filter
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Old 04-08-2011, 01:00 PM   #5 (permalink)
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The fuel shut off solenoid is on the top side of the injector pump about in the middle will have a wire connected to the top of the solenoid. To bleed the fuel lines first fill the filter full then above the filter you will see a banjo bolt with a 10MM bolt head in the middle of it open it about 1/2 to 3/4 turn. Go to lift pump and prime the lever on the side of it until fuel with no air comes out of the bleeder screw, then close bleeder. Then crack open the nuts on top of the injectors. crank engine over until fuel comes out from the nuts and tighten them and it should start.
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97 2500 4X4 auto DDP 40 HP injectors, no 8 fuel plate, homemade 3" intake horn, BD converter, BHAF, electric cooling fan
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Old 04-08-2011, 01:54 PM   #6 (permalink)
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Ok assume I will try after work today if after this it still doesn't start how do I check the glow plugs and where is the relay and stuff for them
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Old 04-08-2011, 02:00 PM   #7 (permalink)
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A cummins uses a grid heater if you look where the intake horn is bolted to the manifold on the engine you will see a square block with big wires on each side. Read this thread Cold Starting Issues- Grid Heaters? it covers a 89 dodge.
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97 2500 4X4 auto DDP 40 HP injectors, no 8 fuel plate, homemade 3" intake horn, BD converter, BHAF, electric cooling fan
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Old 04-08-2011, 06:46 PM   #8 (permalink)
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well that was a huge help it started right up as soon as i did the bleeding of that ten mill banjo bolt and the injector lines but lol yup a but now i drove it up the road and it was fine till i got on it a little hard let off quick it stalled and would not start till i did all the bleeding over now i did run her out of fuel before all of this could i of screwed something up in the tank or maybe is there a line sucking in air somewhere ive been letting it idle now for about an hour trying to maybe work any air out ? thanks so much almost out of the woods
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Old 04-08-2011, 11:12 PM   #9 (permalink)
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I would'nt let it idle too long at a time, can be rough on the cylinders. I'd say you must have a air leak somewhere. Another thing, if you ran it out of fuel, you'r fuel filter could be clogging up with gunk that got stirred up in the tank. Still sounds like a air leak to me though.
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Old 04-09-2011, 02:42 AM   #10 (permalink)
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If you have a leak between the lift pump and injectors you will see fuel. If you have a leak between the lift pump and pickup in the tank it will suck air. A diesel doesn't like mixed drinks, just diesel. If you still think there is air with your truck at idle crack a injector nut 1 at a time just long enough for a little fuel to run out. Use caution that fuel is very high pressure.
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92 D250 custom made bed, 190 inj., 16cm , electric cooling fan, 2nd gen air horn, 5spd., Dana 61 3.31 gears, 1 stage W/M set up

97 2500 4X4 auto DDP 40 HP injectors, no 8 fuel plate, homemade 3" intake horn, BD converter, BHAF, electric cooling fan
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Old 04-09-2011, 06:55 PM   #11 (permalink)
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Quote:
Originally Posted by W350_1992 View Post
I would'nt let it idle too long at a time, can be rough on the cylinders. I'd say you must have a air leak somewhere. Another thing, if you ran it out of fuel, you'r fuel filter could be clogging up with gunk that got stirred up in the tank. Still sounds like a air leak to me though.
WOW! idling hard on the cylinders. Funny!
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Old 04-10-2011, 01:36 AM   #12 (permalink)
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WOW! idling hard on the cylinders. Funny!
Yup, diesels run so efficiently somtimes they wont burn all the fuel at normal idle speed and wash the cylinder walls and eating the cylinders... not funny. Its best to high idle 1000-1100rpm is its gonna idle very long to keep the engine warm.
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