Injection pump leak test cm2250
04-24-2023, (Subject: Injection pump leak test cm2250 ) 
Post: #13
RE: Injection pump leak test cm2250
(04-24-2023 )Rockinbexpress Wrote:  ..
What is within reason? That's the question. How many psi should it droop below commanded pressure?

That is set in the programming and the allowance is set differently for various tier engines.

here are just a few of these settings that are related to your question ...


*_APC_hp_BankDevThreshold {individual cylinder bank deviation allowance}

*_APC_hp_ImaTrimEnTol {steady state tolerance}

*_APC_hp_MaxErrorDev {above/below target pressure tolerance}

*_APC_hp_MdvControlTol {undershoot tolerance}

*_QTD_hp_MaxInjPressDrop {Max allowed drop in pressure for one injector firing event before a bad injector is detected}
=============

Basicaly, if your engine was going out of its allowed tolerance, then it would be throwing a fuel pressure or other related fault of some sort.


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RE: Injection pump leak test cm2250 - Rawze - 04-24-2023



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