FB6 - Fuel Pump Flow Volume Check

WARNING: Before starting these tests, release the fuel pressure from the fuel system to reduce the risk of injury or fire, as outlined in Service Precautions.

- Connect the Rotunda Fuel Pressure Tester 014-00748. or equivalent with EFI Test Adapter D87C-9974-A between the fuel rails, with the main valve closed and the drain valve opened. Refer to Test Step F1.

- Place the bypass hose in a measuring container inside an empty overflow container.

- Jump the fuel pump test terminal to ground. Refer to Test Step F1 for terminal locations.

- Key On.

Fuel Pump Flow Volume Testing:

- Collect fuel in the measuring vessel for 10 seconds.

- Is the amount of fuel collected within specification?

YES -- Go to FB7. FB7 - Fuel Pump Valve Leak-down

NO -- Service the fuel pump inlet screen, and rerun this test. If flow is still not within specified limits, replace the fuel and rerun test.