no power,sometimes - Diesel Truck Forum - TheDieselGarage.com
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post #1 of 14 (permalink) Old 08-07-2012, 11:23 PM Thread Starter
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no power,sometimes

hi all, new to this part of forum. just bought a 2000 2500 5.9l
it is a very nice truck runs great ,until today,was hauling my tractor and every thing seemed good stopped an got some cetane boost and added it to a half tank of fuel. picked up my tractor and started home,stopped and filled my tank up,left station and going up hills it acts like the turbo is shut down. I have only had the truck for a week and a half,but I have had no problems hauling my flatbed or camper trailer. it just started today after filling up
thanks for any help

If you are not making mistakes you are not doing anything.
why are Johndeeres painted green?
so they can hide in the grass when the red tractors go by
1995 I.H. 4700 /DT466 used for hauling trailers
this is not mine,just thought it was cool
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post #2 of 14 (permalink) Old 08-09-2012, 02:31 AM
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With doors closed, cycle the key with out starting the engine on-off on-off-on. In the odometer codes will be displayed. Sounds like it could be the lift pump. At the top of this forum should be a sticky of codes for this model. see if you have any and report them back.

"Only accurate rifles are interesting" -Townsend Whelen

2012 Ram 2500 Crew Cab Big Horn
6.7L 68RFE 4wd
Yeah its stock.
Edge Insight CTS / Line-X / Access Bed Cover
B&W Turnover Ball / Companion Hitch
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On Board Air
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2010 Jeep Wrangler JK Unlimited Rubicon/ Tuned with some toys.
2016 Keystone Impact 311 Toyhauler






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rrimpa (08-10-2012)
post #3 of 14 (permalink) Old 08-12-2012, 03:46 PM Thread Starter
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well, replaced liftpump,"was bad"and filter ran good for a day then started all over again only worse,

If you are not making mistakes you are not doing anything.
why are Johndeeres painted green?
so they can hide in the grass when the red tractors go by
1995 I.H. 4700 /DT466 used for hauling trailers
this is not mine,just thought it was cool
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post #4 of 14 (permalink) Old 08-12-2012, 03:50 PM Thread Starter
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Quote:
Originally Posted by rrimpa View Post
well, replaced liftpump,"was bad"and filter ran good for a day then started all over again only worse,
could a bad waste gate do this,the actuator is working but could it be broken inside? I don't know have been working on gas engines my whole life,I know how everything works just not familiar with diesel

If you are not making mistakes you are not doing anything.
why are Johndeeres painted green?
so they can hide in the grass when the red tractors go by
1995 I.H. 4700 /DT466 used for hauling trailers
this is not mine,just thought it was cool
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post #5 of 14 (permalink) Old 08-12-2012, 07:42 PM
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It would only be a waste gate if was stuck open, and you would hear the air coming out of it. Without codes and pressure readings I am wondering what kind of shape the vp44 injection pump is in. With a bad lift pump the VP44 injection pump could have been comprimised. Get a Lift Pressure gauge on it and see how much pressure you have. you need 16psi at idel and it not to drop below 12psi a WOT. Most stock pumps can drop as low as 8psi. The VP44s are extemely pressure sensitive and fail when they do not have the correct fuel running to them as the fuel is what lubricates the pump. I can unfortuneatly say I learned this lesson the VERY expensive way, though I still miss that truck from time to time.


Sent from my IPhone 4s An AT&T not so 4G phone via Tapatalk.

"Only accurate rifles are interesting" -Townsend Whelen

2012 Ram 2500 Crew Cab Big Horn
6.7L 68RFE 4wd
Yeah its stock.
Edge Insight CTS / Line-X / Access Bed Cover
B&W Turnover Ball / Companion Hitch
Pac Brake Air Bags
On Board Air
Optima Redtop 34Rs


2010 John Deere 2305
2010 Jeep Wrangler JK Unlimited Rubicon/ Tuned with some toys.
2016 Keystone Impact 311 Toyhauler






9-11-2001 NEVER FORGET

Last edited by neeltburn; 08-12-2012 at 07:46 PM.
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post #6 of 14 (permalink) Old 08-12-2012, 07:45 PM Thread Starter
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I have been doing some digging,and do you think a bad map sensor could make my truck run this way?

If you are not making mistakes you are not doing anything.
why are Johndeeres painted green?
so they can hide in the grass when the red tractors go by
1995 I.H. 4700 /DT466 used for hauling trailers
this is not mine,just thought it was cool
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post #7 of 14 (permalink) Old 08-12-2012, 07:50 PM
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APPS/TPS and MAP "could" but w/o DTCs all I can really do is guess. Try the key trick again and Check the list found HERE ( Click Here)

"Only accurate rifles are interesting" -Townsend Whelen

2012 Ram 2500 Crew Cab Big Horn
6.7L 68RFE 4wd
Yeah its stock.
Edge Insight CTS / Line-X / Access Bed Cover
B&W Turnover Ball / Companion Hitch
Pac Brake Air Bags
On Board Air
Optima Redtop 34Rs


2010 John Deere 2305
2010 Jeep Wrangler JK Unlimited Rubicon/ Tuned with some toys.
2016 Keystone Impact 311 Toyhauler






9-11-2001 NEVER FORGET
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post #8 of 14 (permalink) Old 08-12-2012, 07:53 PM Thread Starter
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Quote:
Originally Posted by neeltburn View Post
It would only be a waste gate if was stuck open, and you would hear the air coming out of it. Without codes and pressure readings I am wondering what kind of shape the vp44 injection pump is in. With a bad lift pump the VP44 injection pump could have been comprimised. Get a Lift Pressure gauge on it and see how much pressure you have. you need 16psi at idel and it not to drop below 12psi a WOT. Most stock pumps can drop as low as 8psi. The VP44s are extemely pressure sensitive and fail when they do not have the correct fuel running to them as the fuel is what lubricates the pump. I can unfortuneatly say I learned this lesson the VERY expensive way, though I still miss that truck from time to time.


Sent from my IPhone 4s An AT&T not so 4G phone via Tapatalk.
the psi at the port on the inj pump is 16 at idle and about 10 to 11 psi at wot

If you are not making mistakes you are not doing anything.
why are Johndeeres painted green?
so they can hide in the grass when the red tractors go by
1995 I.H. 4700 /DT466 used for hauling trailers
this is not mine,just thought it was cool
rrimpa is offline  
post #9 of 14 (permalink) Old 08-12-2012, 07:54 PM
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You could try and clean the MAP sensor and see if that makes a difference, Is the truck stock?

"Only accurate rifles are interesting" -Townsend Whelen

2012 Ram 2500 Crew Cab Big Horn
6.7L 68RFE 4wd
Yeah its stock.
Edge Insight CTS / Line-X / Access Bed Cover
B&W Turnover Ball / Companion Hitch
Pac Brake Air Bags
On Board Air
Optima Redtop 34Rs


2010 John Deere 2305
2010 Jeep Wrangler JK Unlimited Rubicon/ Tuned with some toys.
2016 Keystone Impact 311 Toyhauler






9-11-2001 NEVER FORGET
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rrimpa (08-12-2012)
post #10 of 14 (permalink) Old 08-12-2012, 07:54 PM Thread Starter
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my son works at a dodge dealer and is going to read it tomorrow,I will let you know what happens.
thanks

If you are not making mistakes you are not doing anything.
why are Johndeeres painted green?
so they can hide in the grass when the red tractors go by
1995 I.H. 4700 /DT466 used for hauling trailers
this is not mine,just thought it was cool
rrimpa is offline  
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