MEASURE FUEL PUMP PRESSURE AT FUEL FILTER CONNECTOR. ATTACH PRESSURE GUAGE TO FITTING COMING FROM TANK. MAKE SURE THER ARE NO LEAKS FIRST THEN HAVE SOMEONT TURN THE IGNITION ON CK. GUAGE PRESSURE TURN KEY OFF PRESSURE SHOULD REMAIN CONSTANT SINCE PUMP IS DEAD HEADED ( NO RELIEF/ REGULATOR) IF PRESSURE FALLS ,PUMP INNER CK VALVE IS LEAKING. IF PRESSURE DOES NOT FALL THEN SUSPECT REGULATOR
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DISCONNECT THE VACUUM LINE TO THE PRESSURE REGULATOR,THE PRESSURE SHOULD GO UP AT LEAST 5 POUNDS.
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