Horn noise right side 2012 Cummins isx cm2250
04-23-2020, (Subject: Horn noise right side 2012 Cummins isx cm2250 ) 
Post: #1
Horn noise right side 2012 Cummins isx cm2250
I can move the hose coming out of the fuel pump going thru the electric pump up to the fuel plate. When I move it, the horn sound changes with the movement.

Recently cleaned the actuator to clear a 1347 fm3.

Now the horn noise.

Is it the actuator allowing to much fuel thru with high pressure? Or
Bad fuel pump gears/bearings? Or
Chaffing from theFuel plate behind the ECM that holds the fuel filter?

Any feedback and thoughts before I dump a couple grand into a new fuel pump. Fuel pump parts was upgrade but still original housing and probably gears/bearing/cam.

I have a new actuator that should be here tomorrow. I can eliminate that as soon as that part comes in.

Just scared to get back on road and bust a fuel pump and destroy my motor any more that she could already be.

Your thoughts and a video is attached.
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04-23-2020, (Subject: Horn noise right side 2012 Cummins isx cm2250 ) 
Post: #2
RE: Horn noise right side 2012 Cummins six cm2250
Video is with my iPhone, so it will not attach..
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04-23-2020, (Subject: Horn noise right side 2012 Cummins isx cm2250 ) 
Post: #3
RE: Horn noise right side 2012 Cummins six cm2250
maybe post video on yutube?


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: Cdnicholson1970
04-24-2020, (Subject: Horn noise right side 2012 Cummins isx cm2250 ) 
Post: #4
RE: Horn noise right side 2012 Cummins six cm2250
https://youtu.be/JckwwWR8Jj8

Starts the horn noise about 12 seconds into the video.
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04-24-2020, (Subject: Horn noise right side 2012 Cummins isx cm2250 ) 
Post: #5
RE: Horn noise right side 2012 Cummins isx cm2250
(04-23-2020 )Rawze Wrote:  maybe post video on yutube?

Posted and thanks
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04-30-2020, (Subject: Horn noise right side 2012 Cummins isx cm2250 ) 
Post: #6
RE: Horn noise right side 2012 Cummins isx cm2250
Well, the new fuel actuator made the engine run smoother, but Im still having the horn like noise while idling and going down the road.
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04-30-2020, (Subject: Horn noise right side 2012 Cummins isx cm2250 ) 
Post: #7
RE: Horn noise right side 2012 Cummins isx cm2250
unfortunately it is hard to tell what it is in the video.


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