FUEL DELIVERY PUMP AND FUEL FILTER SERVICE MANUAL NUMBER 22
Page 5B-8 90-860074--1 FEBRUARY 2002
Testing
IMPORTANT: Avoid a decrease in engine performance. Restrictions of either fuel
supply or fuel return circuits will adversely affect engine performance.
TESTING FUEL DELIVERY PUMP PRESSURE
3. Remove the bleeder valve from the filter header.
4. Install a suitable barbed , tappered fitting with a short section of fuel hose connected.
5. Attach a suitable 0-100 kPa (0-15 PSI) pressure gauge to this hose.
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74726
Testing Delivery Pressure
c-Bleeder Valve
d-Suitable Barbed Fitting
e-Pressure Gauge
6. If the measured value is not within specifications, repair as needed.