Loss of Power After Injection Pump Install - Diesel Truck Forum - TheDieselGarage.com
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post #1 of 7 (permalink) Old 06-26-2007, 01:28 AM Thread Starter
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Talking Loss of Power After Injection Pump Install

Okay guys this sounded like an easy one to me to pinpoint what the problem was but maybe im missing something here. This isnt my truck and I cant tell you the mileage on it but I can say its a 2000 dodge ram 2500 5speed 4x4 and does no hard pulling. My uncle took it to the dodge shop since the injection pump went out idk how long ago but he says he noticed a loss in power. My first guess was that the timing was off, he said he had the valves checked and that all checked out A-okay. Do you think im right about the timing or could it be something else i missed and if it is the timing how can I fix it without taking it to the dodge shop..........I do have a good mechanical knowledge but just need some guidance:Thumbup:
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post #2 of 7 (permalink) Old 06-26-2007, 03:56 PM
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Usually when the timing isn't right, it will be off by enough that you get some white smoke either at idle and the truck runs like crap, or if you run it up to high idle you'll get white smoke if its off. I would check and change the fuel filter too, that always a good place to start. I don't know any real good way to check timing on these trucks though unfortunately.
Sean

2000 2500 reg. cab 4x4 auto 577hp
09 6.7L QC LB stick, 4x4.

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post #3 of 7 (permalink) Old 06-27-2007, 02:41 AM Thread Starter
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Yeah that sounds like something simple enough. As soon as im around the truck again or if i get to talk to him anytime soon i'll let him know what everyone thinks.
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post #4 of 7 (permalink) Old 06-27-2007, 02:47 AM Thread Starter
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also is it possible that the dealer de-tuned the truck. he said it starts and runs like a top and i think he may have told them that his clutch was slipping as well. Do you think that they would do that
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post #5 of 7 (permalink) Old 06-27-2007, 06:20 AM
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I don't know that they do do that. I'm sure they have the technology, but I've never heard of that being done. I'm not sure how the dodge star system (I believe thats what they call it) works. I know its possible to change fueling curves, but I would be surprised if they did.
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2000 2500 reg. cab 4x4 auto 577hp
09 6.7L QC LB stick, 4x4.

TOTAL PERFORMANCE DIESEL 707-545-FUEL (3835)
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post #6 of 7 (permalink) Old 06-27-2007, 02:20 PM
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The only way you can adjust the timing on a 24v is by adding a timing box to it. Did they check his lift pump? Do you know what his current fuel pressure is? I would start with the fuel filter and go from there. There could be an outside chance they put a HO pump on his motor, but I doubt that.
post #7 of 7 (permalink) Old 06-29-2007, 04:11 AM Thread Starter
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Where do you tap in to check fuel pressure on the transfer pump or on the injection pump? Havent done it but i have a 99 ram 2500 that hasnt been ran in a few years i need to get going and do some preliminary checks on. I also need a vacuum pump or a vacuum pump rebuild kit, either or. I bought a 1980 crew cab short bed and i plan on putting all the guts from the 99 into it. How hard do you think its gonna be to put the 4x4 front axle from the 99 under the 2 wheel drive 1980. IDK what i got myself into yet ; )
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