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Is there someone with a disc that can arrange to meet this guy and let him run the disc through his unit
while il there and return it there and then???

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A solenoid irrespective of what it is or does is an electrically operated object. Full stop!!!!!

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I can go into detail with this tomorrow, but yes a solenoid is a magnet operated unit that can be used to control various on/off functions. A solenoid valve is exactly that, a valve that is solenoid operated, whether for air or fluid. The early ones were a diaphragm valve and as electronics and sen...

History of the EGR valve. Correct me if I go off course. Originally most if not all EGR valves were vacuum operated. Not sure but presume amount of flow would have been controlled by just a spring attached to a valve being actuated by the intake air vacuum applied to a diaphragm. Primitive but it ap...

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