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Excessive blow-by after injector pump replacement

skymaster
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hd99fxr3

hd99fxr3

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Vacuum line unhooked or broken? :shrug:

I'm with Mike. It's extremely unlikely that a new Injector pump would cause blowby. Has to be a hose or line left loose or unplugged. If you truely have blowby, then the engine is tired, and a new pump with as new pressures, just made it blatently obvious that the rings are gone.
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Wild and Free

Wild and Free

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Im corn fussed ?? replaced the injector pump and now i have an issue with excessive oil blowby ,its seems i need to be going better then 55 for this to happen ? any suggestions were i should b investigating first, thanks .

I want a video of you looking at the blowby at 55mph+!!!!:think:
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Mopar1973Man

Mopar1973Man

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I want a video of you looking at the blowby at 55mph+!!!!:think:

:thumb1:

That would be a trick.. Unless it's REALLY, REALLY BAD..

I won't go there I'm sure ISX would gladly mount his camera under the truck to show you that. :whistle:

As for blow by typically it increase with boost pressure just the way things are. But I would say it going to be the vacuum lines are off first. If that all checks out then next step would be doing a compression test to verify the cylinder health.

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skymaster

skymaster

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I won't go there I'm sure ISX would gladly mount his camera under the truck to show you that. :whistle: As for blow by typically it increase with boost pressure just the way things are. But I would say it going to be the vacuum lines are off first. If that all checks out then next step would be doing a compression test to verify the cylinder health.

i will b double checking for vacume line connections , ill need to find a diagram thow, thanks , ill keep u informed, And i'll work on a video for ya :-):lmao:
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