Duramax Diesels Forum Truck of the Week
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Old 01-12-2019, 07:00 AM
Bdirtymax Bdirtymax is offline
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Default Fluctuation

Looking to see if I can figure out what is causing the quick oscillation / fluctuation with flow, pulse and even fuel pressure on my truck. Or is it normal? Thanks.
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Old 01-12-2019, 07:21 AM
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monster50iii monster50iii is offline
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Default

If your mm3 is fluctuating, good chance rail pressure/pulse will also. Refer to torque based fuel.
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Old 01-12-2019, 11:23 AM
Bdirtymax Bdirtymax is offline
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Quote:
Originally Posted by monster50iii View Post
If your mm3 is fluctuating, good chance rail pressure/pulse will also. Refer to torque based fuel.
It doesn't fluctuate really. Everything follows commanded and holds. Just notice when looking at the logs it's a bunch of tight oscillations.
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