5.9 cummins 24v hesitation when accelerating - Diesel Bombers



5.9 Liter CR Dodge Cummins 03-07 Discussion of 5.9 Liter Dodge Cummins Diesels with Common Rail Injection

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Old 09-16-2011, 01:59 PM
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Default 5.9 cummins 24v hesitation when accelerating

2004 cummins 24v, the past few days i've noticed when idling, it spits and spudders, not all the time, also, when i put it into gear, and touch the pedal, it hesitates and the rpm's go up to about 2000, then it goes, as if, lack of fuel, then it gets a boost of fuel, and its fine, it act's if its not getting fuel when i touch the pedal, but then does,(only hesitates half a second) it does not die, (all though it has stalled out) but that seemed to go away after i replaced the air filter and fuel filter, im leaning towards maybe throttle position sensor? or?... im stumped.
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Old 09-17-2011, 05:28 PM
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I would get a scan tool hooked up to it and get it checked out before i went throwing parts at it. I havn't been able to fix anything on mine without the scan tool.
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Old 09-17-2011, 05:38 PM
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I would say TPS as well. Not sure if you can reset them on a CR like you can on a 24v. Some one with more in dept knowledge on CR's will chime in and help you out I'm sure.
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Old 10-17-2011, 08:27 PM
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ive had a scan tool hooked up, says its under load when in park at idle? is that incorrect or normal? also, i replaced the sensor, still no luck, seems to only do it when i take my foot off the pedal, then reply my foot to the pedal, it hesitates for 3-4 seconds, like its floods itself out, then the rpms zoom to about 1500 and then it acts fine, maybe a bad iat sensor or map?
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Old 10-17-2011, 11:30 PM
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Originally Posted by H.R.D View Post
I would say TPS as well. Not sure if you can reset them on a CR like you can on a 24v. Some one with more in dept knowledge on CR's will chime in and help you out I'm sure.
I'll second that. I tried the apps reset on my 04 3500, didn't seem to change anything. I'm sure I'll be replacing mine soon. It's getting a new transfer case tomorrow.
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Old 10-18-2011, 09:56 PM
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yeah, its in the shop....again .. hopefully they figure it out, its pretty bad now, if i keep my foot on the pedal, it seems to run pretty good, then i take it off, and go to press it again, and it acts 'stupid', hesitates, then picks up outta no where it goes fine, changes tone in the idle, almost sounds like a sticking injector, then it releases, and u can hear it, or to me sounds like it releases, then it runs fine, still, always have the pedal problem where if i let off it, and go to apply my foot back on it, hesitates.
they can figure it out cause im stumped on trying to 'guess' what could be wrong.

will post results if they figure it out.
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Old 11-15-2016, 08:49 AM
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Originally Posted by itzdano View Post
yeah, its in the shop....again .. hopefully they figure it out, its pretty bad now, if i keep my foot on the pedal, it seems to run pretty good, then i take it off, and go to press it again, and it acts 'stupid', hesitates, then picks up outta no where it goes fine, changes tone in the idle, almost sounds like a sticking injector, then it releases, and u can hear it, or to me sounds like it releases, then it runs fine, still, always have the pedal problem where if i let off it, and go to apply my foot back on it, hesitates.
they can figure it out cause im stumped on trying to 'guess' what could be wrong.

will post results if they figure it out.
So what was the answer to the problem
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Old 11-16-2016, 11:05 PM
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Quote:
Originally Posted by itzdano View Post
yeah, its in the shop....again .. hopefully they figure it out, its pretty bad now, if i keep my foot on the pedal, it seems to run pretty good, then i take it off, and go to press it again, and it acts 'stupid', hesitates, then picks up outta no where it goes fine, changes tone in the idle, almost sounds like a sticking injector, then it releases, and u can hear it, or to me sounds like it releases, then it runs fine, still, always have the pedal problem where if i let off it, and go to apply my foot back on it, hesitates.
they can figure it out cause im stumped on trying to 'guess' what could be wrong.

will post results if they figure it out.

Fuel control actuator is my guess- hope they fix it quickly and correctly!
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