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Fuel Pump

FUEL PUMP PERFORMANCE - CARBURETED

Application Pressure psi (kg/cm2 ) Min. Vol. in 30 sec. Pts. (L)
Amigo & Pickup 2.3L 3.56 (.25) (1)
(1) Information not available from manufacturer.
FUEL PUMP PERFORMANCE - FUEL INJECTED

Application Unregulated Pressure psi (kg/cm2 ) Regulated Pressure psi (kg/cm2 )
Amigo, Pickup & Trooper 2.6L (1) 42 (3.0) (2) 35 (2.5)
Impulse (3) 35-38 (2.5-2.7) 25-30 (1.8-2.1)
Trooper 2.8L N/A (3) 9-13 (.62-.91)
(1) There are two unregulated pressure tests. The first is with fuel pressure regulator and pressure regulator Vacuum Switching Valve (VSV) vacuum hoses disconnected. The second is with pressure regulator vacuum hose connected, Blue wire of VSV is connected to positive battery terminal and Black wire connected to negative battery terminal. In both tests, pressure should be as specified.
(2) With vacuum hose connected to pressure regulator and pressure regulator Vacuum Switching Valve (VSV) disconnected.
(3) With engine running and vacuum hose disconnected from pressure regulator.