Injection pump leak test cm2250

[Rockinbexpress]

(04-23-2023 )Rawze Wrote:  

(04-23-2023 )Rockinbexpress Wrote:  pressure keeps dropping below commanded then ramps up and pump
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and...

(04-23-2023 )Rockinbexpress Wrote:  ... In the meantime graph your commanded and measured fuel pressure and see if your measured falls below your commanded. Like the pic I attached.

That is exactly what it is supposed to do within a given allowance .. that means nothing much whatsoever.

here is why: http://rawze.com/forums/showthread.php?t...6#pid75536

What is within reason? That's the question. How many psi should it droop below commanded pressure?