Cummins isx cm871 fault 2637
10-30-2022, (Subject: Cummins isx cm871 fault 2637 ) 
Post: #1
Cummins isx cm871 fault 2637
Hey guys, been a minute. Hopefully everyone’s good. I ran into doc
Face plugged code. Regeneration wouldn’t reach temp to start dosing.
I did a snap test and it a slightly smoky.
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10-30-2022, (Subject: Cummins isx cm871 fault 2637 ) 
Post: #2
RE: Cummins isx cm871 fault 2637
Did you take the cans apart yet to see how everything looks?


User's Signature: Warranty??? Yeah right, I am the warranty!!!
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10-30-2022, (Subject: Cummins isx cm871 fault 2637 ) 
Post: #3
RE: Cummins isx cm871 fault 2637
(10-30-2022 )tree98 Wrote:  Did you take the cans apart yet to see how everything looks?


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10-30-2022, (Subject: Cummins isx cm871 fault 2637 ) 
Post: #4
RE: Cummins isx cm871 fault 2637
Engine issues cause DPF issues.. have you done a thourough EGR tune-up on it yet?

ref: https://youtu.be/FhJxpyS5MpY

================

WOW!>.. that DPf looks done for... how old is it?.


It is time to remove it and the DOC and take them to heve them baked out, de-ashed, and flow tested. Can be done by an OEM steslers$it for a few hundred bucks.



Also that looks like oil intrusion.. someone needs to pull the exhaust manifold away from the head and check to see if valve guide seals are getting wet on a cold start.


User's Signature: ->: What I post is just my own thoughts and Opinions! --- I AM Full Of S__T!.
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10-30-2022, (Subject: Cummins isx cm871 fault 2637 ) 
Post: #5
RE: Cummins isx cm871 fault 2637
Yes I took it apart did a snap test aswell.
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10-30-2022, (Subject: Cummins isx cm871 fault 2637 ) 
Post: #6
RE: Cummins isx cm871 fault 2637
The dpf is 5months old . Back in April
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10-30-2022, (Subject: Cummins isx cm871 fault 2637 ) 
Post: #7
RE: Cummins isx cm871 fault 2637
(10-30-2022 )Rawze Wrote:  Engine issues cause DPF issues.. have you done a thourough EGR tune-up on it yet?

ref: https://youtu.be/FhJxpyS5MpY

================

WOW!>.. that DPf looks done for... how old is it?.


It is time to remove it and the DOC and take them to heve them baked out, de-ashed, and flow tested. Can be done by an OEM steslers$it for a few hundred bucks.



Also that looks like oil intrusion.. someone needs to pull the exhaust manifold away from the head and check to see if valve guide seals are getting wet on a cold start.
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10-30-2022, (Subject: Cummins isx cm871 fault 2637 ) 
Post: #8
RE: Cummins isx cm871 fault 2637
That’s the doc I got cleaned out in April.
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10-31-2022, (Subject: Cummins isx cm871 fault 2637 ) 
Post: #9
RE: Cummins isx cm871 fault 2637
(10-30-2022 )Mrt800 Wrote:  That’s the doc I got cleaned out in April.

How was it done?... By an OEM with the proper Cummins certified machinery?.. and if so.. was the flow rate tested to be good after? .. or was it cleaned out by some other nefarious means?.

Was the DPF done at the same time?...

... and did anyone bother to do a proper Reset Procedure in Insite when it was re-installed?


did anyone bother to do a thorough egr Tune-up on the engine itself?

Has anyone bothered to see if the Doser injector is seeping/leaking fuel at idle?.


User's Signature: ->: What I post is just my own thoughts and Opinions! --- I AM Full Of S__T!.
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 Thanks given by: hhow55




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