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Excessive blow-by after injector pump replacement

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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 .

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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.

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:

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..

  • Owner

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.

  • Author

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:
  • Owner

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:

Got you covered... (Thanks ISX!)

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  • Owner

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:

Got you covered... (Thanks ISX!)

Posted Image

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