Cm2250 overfueling intermittently

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(12-07-2018 )snailexpress Wrote:  Fuel in oil can be from fuel pump or (most likely) from fuel injector connectors. Did shop use new connectors when they installed reman injectors? If not, it's 100% will leak inside the engine head.
You need to run fuel rail pressure test, how quick fuel pressure drops. Make sure pressure release valve is not leaking.
Then put plugs on injector supply line to eliminate leaking one.
It's highly possible leaking is more then one injector. need to check one after one.
Cummins quick serve has all tests and procedures how it to do.
Looks like you are one more victim of impact wrench happy mechanic .

Supposedly the time before last the shop changed out the connector tubes. I can't say one way or another but I was charged for it but then again that shop also said my injectors were tested fine.