Oct 26, 2010 #1 B buickboy Active Member Joined May 24, 2001 Messages 1,151 Normal pressure has always been 50 PSI Static. Motor runs real rough. Now static pressure is 42. turn key off and pressure drops to 30 PSI in 7 minutes. Fuel pump check valve? regulator bad? Injector leakdown? Help Mitch
Normal pressure has always been 50 PSI Static. Motor runs real rough. Now static pressure is 42. turn key off and pressure drops to 30 PSI in 7 minutes. Fuel pump check valve? regulator bad? Injector leakdown? Help Mitch