Used to test if the fuel pressure regulator needs adjusting or replacing and more• Used to test if the fuel pressure regulator needs adjusting or replacing and more
• Allow the mechanic to adjust it to the correct pressure if it is adjustable
• Also tell if other components are bad, such as the fuel pump, filter, etc
Compatible with most fuel injection systems except Bosch, C.I.S, Jethronic and throttle body systems on G.M. Vehicles
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