FUEL INJECTION
Page 3B-22 90-883728 JULY 2001
Pulse Fuel Pump Delivery Test
Purpose: This test will indicate pulse fuel pump is capable of supplying the low pressure fuel route with ade-
quate fuel supply.
1. Place emergency stop switch in OFF position to prevent engine from starting.
2. Remove fuel inlet hose from fuel/water separator.
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3. Turn ignition key switch to “START” and operate starter motor for 10 to 20 seconds.
Results: Fuel should flow freely from hose. Refer to Fuel/Water Separator Inspection and/or Vapor Sepa-
rator Float Test.
If fuel does not flow from hose:
4. Remove inlet hose to pulse fuel pump and put end into clean container.
5. Squeeze primer bulb several times.
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a
a-Inlet Fuel Hose
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