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cummins engine surge

 
doc hawken
New User
Posts: 3
Joined: 01/07
Posted: 01/07/07 12:08 PM

When traveling on the interstate at 65 and over my 02 Cummins diesel has a remarkable rolling surge that continues until I reduce my speed to below 65 MPH. I have replaced the fuel filter, cleaned the KN air filter, and run 2 tanks of fuel with injector cleaner. Any thoughts out there as to the problem?  Doc  

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Dieseldude03
Enthusiast
Posts: 357
Joined: 01/07
Posted: 01/09/07 06:52 AM

Sounds like your accelerator position sensor might be acting up. Sometimes you can get away with cleaning it with contact cleaner, but usally you have to just replace them.  
2003 Dodge Ram 2500 Laramie 4x4. H.O. Cummins, 6spd manual trans, 4.10 gearing. Intake, Exhaust, Hot Juice, HTT HTB2 62/12/65, Jake Brake, 305-65R17 (33 x 12.50) Pro-Comp Extreme All Terrains, SBC Con O FE, Fuel Tank Vent Mod,  Various other gizmos.


I-6 Cummins guys are keepin' it straight. Those other boys swing both ways.

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W Grantz
New User
Posts: 1
Joined: 01/07
Posted: 01/10/07 11:27 PM

I had the same problem with my 99. I replaced the throttle position sensor and it fixed it.  

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doc hawken
New User
Posts: 3
Joined: 01/07
Posted: 02/03/07 04:21 PM

Thanks a great deal!! I will see about replacing the throttle position sensor. Is this a do it yourself project or do I nee to call Dodge?  Doc  

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dukeboy_318
Guru
Posts: 897
Joined: 01/07
Posted: 02/03/07 06:36 PM

When mine went out on my 98.5, I had the dealer do it because the check engine light came on and I didn't know what excatly it was, but it cost a lot, the sensor itself was about 400+( i can't remember the exact amount)and in cluding labor cost me over 500 dollars for them to do it.  So if you feel comfortable and know what you are doing, then do it yourself, it'll save you money.  
1999 Dodge Ram 2500 4x4 Cummins 24 valve, 5spd with south bend 550hp+ clutch, 150 horse injectors, Fram Boost intake(for now), Edge Juice with attitude, 150 gph fass fuel pump and much more, all together 450 dyno proven HP and 1170 ft lbs.
DPMAG May Ride of the Month

and a quote from Dmax007-  this site is entirely the blind leading the blind. nobody on this site has the balls to stand up to this stupid blowin smoke gang. got news for you, i do.  

Recruiter/member of the Blowing Smoke Gang!

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dubeckham
New User
Posts: 1
Joined: 11/10
Posted: 11/10/10 07:04 PM

I did the sam thing and the problem was fixed.   Now Does anyone have any probles with their fuel filter?  I am getting what looks like caliche clay in the bottom of my fuel filter??  I have had all 6 injectors replaced 2 times now at 6,800 buck.  Boerne dodge said they flushed the entire fuel system but i think not.  The material is gritty at first then when rubed between my fingers it turns slick.  WTF?  

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