Cummins surging acceleration. Fuel pressure etc. 2k FRP will bounce anywhere from 300 to 500psi when the surging happens. This is most noticeable while trying to navigate dirt roads at slow I would lean toward malfunctioning EGR for surging on a stock truck, especially under light throttle. There is no surging at idle and none at wot but moderate acceleration it happens maybe half the time until the Cummins 6. 9 stock. Never under any other circumstances. The only factors I can identify are that it happens between 1/4-1/3 throttle, ambient temps between 0-20 F, and a slight incline. Anyone out there having the same problems? I am Hi this is my first time posting here so I'll try to be as detailed as possible. Engine has a rhythmic surging on hard acceleration. ALL under warranty. 7 Cummins. When at a stop light with the foot on the brake, the truck will When accelerating, the truck seems like it's starving for fuel as it "surges" or wont accelerate very smooth. I think it's fairly common on a lot of Surging under acceleration in the Cummins ISX 435ST can stem from faulty fuel injectors, a clogged fuel filter, or turbocharger issues. is fine, but I am on my 3rd AISIN transmission. Surging often results from fuel delivery inconsistencies or turbocharger boost issues. I still have the open recalls for the emission February's Cummins of the Month is now open for VOTING! Surging acceleration! Please help!!! Jump to Latest 2. Truck has 80k miles and engine is still stock. 6K views 7 replies 2 participants last post by jgraham114 Mar 7, 2013 J Truck surging at speed going uphill at lower revs Jump to Latest 26K views 41 replies 12 participants last post by Jumpinjoe May 4, 2021 troverman Discussion starter Surging/loping with light acceleration 6. Over the last Once I get driving, it's okay, but oddly too, even after I've been going for quite a while, putting it in reverse causes the surging also. At speed, the truck seems to "buck" and surge. I get the surging when under 2K, with barely any load on the engine. Truck has 49000 miles on it. I bought it 3 months ago and I started to notice while in idle when I rev it up and let off the right away i started working on it to fix all the hack jobs that ware done to it over its lifespan (6 owners on carfax) with the weather getting colder the truck started Jump to page : 1 Now viewing page 1 [50 messages per page] I have noted that the fuel pressure when running light load, approx 5% APP, and 8. 7L ISB in a 2015 IH 4300. While driving at higher speeds (55-70mph), the truck will get a surge of acceleration for a second or two then go back to normal. If I am cruising at, say 40, and try to accelerate, there is just a puff of black I have an 07 8600 IH semi with ISM motor that surges on acceleration-much worse under load-It puff black smoke on every surge. 5K views 6 replies 3 participants last post by PWong Sep 12, 2014 C. When you are heavy on the throttle there is little to no EGR Anyone have any of those symptoms while towing and or light throttle application, even sometimes light throttle while climbing a slight grade unloaded?. I consistently had surging this week on a lot of highway driving. . I haven't figured out why yet. My MAP has remained constant throughout Surging during acceleration Jump to Latest 2. If you accelerate tooo hard it will "cough a little too", Surging during acceleration and intermittent RPM fluctuations are common in this model under load conditions. Begin by inspecting the fuel filter for blockages and replace if dirty. Recently (within the past 3-4k miles the truck has begin surging under light acceleration. Hi all, I recently noticed some strange symptoms while driving 65-75mph at constant speeds only while under load or going up hill. Off idle the motor jumps 500 RPMS with the slightest touch of the pedal. 6K views 4 replies 5 participants last post by Murphjd25 Apr 25, 2023 I recently fully deleted with anarchy stock tunes. It will start surging every second and continue doing I have just recently purchased my first diesel truck 6 weeks ago, 2018 6. Idle is good. RPM jumps up and down a few hundred RPM. First I have a 2005 quad cab 5. 7 cummins lope mini maxx surge turbo Jump to Latest 1. Now that the exhaust is open i am noticing a huffing, surging at an idle in park, lightly accelerating from a stop, and cruising down the road at lower rpms I have a 2019 Ram Cummins that surges with light throttle pressure.


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