Preserve the pressure for a few minutes to ensure stability and notice the gauge for almost any sudden drops or fluctuations. Trustindex verifies that the first source of the review is Google. Educated, handy workers that has the parts I want! I strongly recommend this crew for boat service requires. https://remingtonqftfd.thecomputerwiki.com/5576526/how_boat_lower_unit_parts_can_save_you_time_stress_and_money