Thomas Forrest
I might be wrong and hopefully Mark can correct me if I am but as far as I am aware the leak off is the fuel that is returned when the solenoid is activated. This creates an imbalance in pressure above and below the injector nozzle which allows the injector to open.
Tommy
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Leak off testing # - Peter Keverne February 20, 2015, 2:31 pm
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on February 26, 2015, 10:06 am, in reply to "