hi guy's I'm a newby so go easy on me so this is my question hopfulyyou can help i've had my 99 2500 for three years and when I bought it used it had tones of power when the sevice engine light came on I took it to the dealer and they said the injector pump was bad and they replaced it $1500 later. When I got the truck back it had half the power it had before. I had to go to Organ that week from California andI thought the power would come back it need to break in stuped right? so it hasn't been fixxed I just drive it. so times the I hit the gas and the truck hesitates then it slowly takes off. I've been told it is timing but the chilton book says you can't ajust the 24 valve engine so I'm at a loss. and the mileage went from 21 mph to 13,14mph and no smoke out the tale pipe??????
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thanks for the correction finny. Drew the bill only showed the injector pump and new fuel filter, as for the VP44 what is that don't know much about diesels worked on lots of gas engines only thanks. I did look and I do have the 53 block. SC Willie trased the fuel line and known of it was crushed from tank to the engine it all started after the pump was changed.
Did they forget to connect your turbo intake hoses after the VP44 replacement? I know that the elbow has to be removed to replace the injector pump. Maybe one of the boots slipped off and you aren't getting any boost. The#1 sign for fuel starvation is tons of white smoke and you said it isn't smoking at all. Sounds more like a turbo problemthan fuel starvation.
I have the same problem. As soon as I replaced the injector pump I lost 3mpg and power. I still have not found the problem. I had the lift pump replaced with a pump that was mounted on the rail close as possible to the tank.
Hi thunder ram the loss of power is madding the truck was bone stalk when I got it except for the bully dog that was on it. When it went to the dealer I took off the bully dog that was on it. When it came home from the dealer it was bad thenI put it back on and it was driveable. even with the bad pump it had a ton more power, I can't cheap the tires either.I am short a little money write know so I haven't had the chance to buy the fuel pressure gauge to test the lift pump pressure. It sound like it didn't work on your truck. I got to read your thread and I think I'm going to take it to ashop so andi'llgetback to you with the answer. I have to get it done before the next holiday. let me know if you find out anything.
Thanks Matt, Still haven't found the problem. I had the fuel pressure checked and it's fine. I can't believe the lack of power. My 5.9 V8 had more power. You would think having 4.11 gear thats it would pull a hill in OD without shifting down. What's worst is the fuel mileage that dropped too. Junk injector pump I guess.
we'll here we are two years later and the problem has been fixxed and it was simple one day last week I started messing with the wiring for the injector pump and looked it over didn't see anything wrong so put it back on took the truck for a spin and it ran like a rapped ape the plug wasn't all the way in or one of the wires had a bad conection it runs great and has it's fuel milleage back love my truck.
Daylight, just curious, were the RPMs kicking up when you mashed the pedal and you just weren't moving or did the engine not kick up?
I have a similar problem with my truck still, its been going on for some time now. But mine only happens after I go over 50mph. Slowing down to a stop and then accelerating again is like i'm pulling a 30 thousand pound trailer. The rpms are up high and the truck just slowly starts to move.
For me though, i can fix it by turning the truck off then back on again. Strange.