Cm2250 overfueling intermittently
12-21-2018, (Subject: Cm2250 overfueling intermittently ) 
Post: #64
RE: Cm2250 overfueling intermittently
(12-21-2018 )imalumberjack Wrote:  when I am chasing ghosts .. what I want to do is have an effect? I want to do something that changes the issue? Sooooo when it starts acting up instead of babying it to the nearest shop ..fiddle with it. try the cruise control .. turn the jake on and off ...what your hoping for is having an effect. Stop in a safe place and get out pop the hood and tap on turbo ...egr ....wiggle wire loom ....

None of that does anything. It can be sitting by itself idling and straighten up with no one touching it
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12-21-2018, (Subject: Cm2250 overfueling intermittently ) 
Post: #65
RE: Cm2250 overfueling intermittently
(12-21-2018 )imalumberjack Wrote:  I was almost going to ask if you tried ..when it was acting up ...engaging jake or turning it off and on, maybe disable it? Right now everyone is throwing guesses and its costing you a fortune.

Jerry Mckneely test drove a truck today doing the exact same thing that mine is doing. He said it's the Jake solenoid
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12-21-2018, (Subject: Cm2250 overfueling intermittently ) 
Post: #66
RE: Cm2250 overfueling intermittently
for it to be the jake?......does it start acting up when jaking?
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12-21-2018, (Subject: Cm2250 overfueling intermittently ) 
Post: #67
RE: Cm2250 overfueling intermittently
(12-21-2018 )imalumberjack Wrote:  for it to be the jake?......does it start acting up when jaking?

Jerry says it doesn't have to be on for it to do this
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12-21-2018, (Subject: Cm2250 overfueling intermittently ) 
Post: #68
RE: Cm2250 overfueling intermittently
They are easy to test ....if you go to cummins quick serve it gives you two values of ohms ...one for when hot one for if engine is cold.
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12-21-2018, (Subject: Cm2250 overfueling intermittently ) 
Post: #69
RE: Cm2250 overfueling intermittently
(12-21-2018 )imalumberjack Wrote:  They are easy to test ....if you go to cummins quick serve it gives you two values of ohms ...one for when hot one for if engine is cold.

For some reason I can't get on it
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12-21-2018, (Subject: Cm2250 overfueling intermittently ) 
Post: #70
RE: Cm2250 overfueling intermittently
https://youtu.be/iLe9BT4vrsM
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12-22-2018, (Subject: Cm2250 overfueling intermittently ) 
Post: #71
RE: Cm2250 overfueling intermittently
   
(12-21-2018 )Tamip Wrote:  https://youtu.be/iLe9BT4vrsM
Different animal .....they do operate under the same principal but there are stages and the third stage uses your turbo and computations from ecm.
   
this is my cm2250 jake head there are two of them (front and rear) you can see the selinoid, two wires, to test you check ohms on them. you can pull them out and there is a screen on orifice at bottom make sure its clean (screen kinda just pops off)
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12-22-2018, (Subject: Cm2250 overfueling intermittently ) 
Post: #72
RE: Cm2250 overfueling intermittently
Yea I just posted that video to see what they are talking about. I'm surprised there isn't anything on the 2250
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