Mercury MerCruiser D2.8L D-Tronic Service Manual page 509

SERVICE MANUAL NUMBER 22
TESTING FUEL SYSTEM RESTRICTION TO DELIVERY PUMP
1. Install a suitable vacuum gauge to the inlet side of fuel delivery pump.
2. If measured value is greater than specified, repair as needed.
Testing Restriction
90-860074--1 FEBRUARY 2002
a - Inlet Fitting
b - Suitable Vacuum Gauge
c - Fuel Supply From Fuel Tank
FUEL DELIVERY PUMP AND FUEL FILTER
a
b
71967
c
75298
Page 5B-9