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Home >> Mercedes Benz >> 1979 >> 280SE >> Repair and Diagnosis (Single Page) >> Engine Performance >> Fuel Delivery >> BOSCH Cis Fuel Injection - MERCEDES-BENZ >> Testing >> System (Line) Pressure Test
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System (Line) Pressure Test

Connect pressure gauge and 3-way valve assembly as in cold engine control pressure test. Close valve "B" on tester. System line pressure should be 75-84 psi (5.2-5.8 kg/cm2 ). If not, check for improper fuel delivery rate or improperly adjusted pressure regulator. See PRESSURE REGULATOR  in this article.