Coal Rolling = Posing
Join Date: Nov 2007
Location: Cumberland Furnace, TN
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It increases the ability of the injector solenoids to hold the poppet sealed during actuation.
Your injectors use a peak and hold method of actuation, during operation. Basically a burst of voltage to seat the poppet initially, then on/off/on/off as long as that injector is commanded to be in operation, to hold it seated.
The more consistent and thorough injection event, the better the truck will run. Both in power terms, and general quality terms.
Yes, it's worth it.