DIRECT FUEL INJECTION
Page 3B-20
90-888438 JUNE 2002
Testing Electric Fuel Pump Pressure Output
Low Pressure Electric Fuel Pump
IMPORTANT: After completing fuel pressure tests, reconnect and secure fuel outlet
hose to fuel pump with full circle stainless clamps in Clamp Tool Kit 91-803146A1.
1. Remove outlet fuel hose from low pressure pump. Install a short piece of hose (obtain
locally) onto pump outlet fitting. Install Schrader Valve t-fitting (22-849606) between
outlet fuel hose (removed from pump) and new fuel hose (installed on pump). Secure
hose connections with sta-straps. Due to the low pressure output of this pump, it is
recommended that the air gauge of the Dual Fuel/Air Pressure Gauge
(91-852087A1/A2/A3) be connected to the Schrader Valve. Gauge should indicate
6-9 psi (41.37 - 62.04 kPa).
57416
b
a
c
d
57818
a-Outlet Fuel Hose
b-Low Pressure Electric Fuel Pump
c-Fuel Hose (obtain locally)
d-Schrader Valve (22-849606)
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