ISX CM2350 fault code 4727
10-02-2020, (Subject: ISX CM2350 fault code 4727 ) 
Post: #1
ISX CM2350 fault code 4727
Hello everybody, I have a 2014 Volvo VNL with a ISX CM2350[demandated by top forum member here] that's throwing the fault code 4727 . This issue it's been going one since February of this year. It comes and go, when CEL is on the truck has almost no power and the engine it's running different, it idles more rough and it's kind of hammering when you step on the accelerator when driving. I have tried everything quickserve suggests but the problem didn't go away. I have replaced the check valve that's in the back of the head on the fuel return line and that didn't help it. I've also replaced the fuel rail pressure sensor, the fuel pump actuator and the pressure relief valve. It passes the fuel rail leak test no problem. If anyone has dealt with it before , please share what you have done to fix it! TIA
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10-02-2020, (Subject: ISX CM2350 fault code 4727 ) 
Post: #2
RE: ISX CM2350 fault code 4727
quickserv says...
fault 4727 = A self pumping condition has been detected in the fuel system.

https://quickserve.cummins.com/qs3/pubsy...c4727.html

Possible causes of this fault code include: High fuel drain line restriction
============


a restriction in the drain lines form the injector drain line circuit... or a bad injector drain line regulator.

you posted a complaint about this as far back as February by the way.,..
http://rawze.com/forums/showthread.php?t...5#pid51025


User's Signature: ->: What I post is just my own thoughts and Opinions! --- I AM Full Of S__T!.
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10-02-2020, (Subject: ISX CM2350 fault code 4727 ) 
Post: #3
RE: ISX CM2350 fault code 4727
[/quote]
you posted a complaint about this as far back as February by the way.,..
http://rawze.com/forums/showthread.php?t...5#pid51025
[/quote]
Yes that's right! I'll edit that now. I didn't get many responses the first time I posted so I decided to post again. I want to get this resolved and the shop's I tried haven't been able to solve it.
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10-02-2020, (Subject: ISX CM2350 fault code 4727 ) 
Post: #4
RE: ISX CM2350 fault code 4727
[/quote]
I want to get this resolved and the shop's I tried haven't been able to solve it.
[/quote]

Are you starting to see the light??


User's Signature: Warranty??? Yeah right, I am the warranty!!!
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 Thanks given by: victory26
10-02-2020, (Subject: ISX CM2350 fault code 4727 ) 
Post: #5
RE: ISX CM2350 fault code 4727
I want to get this resolved and the shop's I tried haven't been able to solve it.
[/quote]

Are you starting to see the light??
[/quote]
Not yet :D
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