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Home >> Lincoln >> 1984 >> Mark VII LSC, 5.0 F >> Repair and Diagnosis >> Engine Performance >> Adjustment >> Tune-Up - V8 >> Testing >> Fuel Pump >> Fuel Injected Models
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Fuel Injected Models

Disconnect return line at throttle body and connect hose to container. Connect pressure gauge at diagnostic fitting on throttle body. Disconnect wiring connector at fuel tank and apply 12 volts to pump with jumper wire.

FUEL PUMP SPECIFICATIONS

Application Specification
Carbureted Models
Pressure (1) 6-8 psi (.42-.56 kg/cm2 )
Volume 1 pint (.5L) in 20 seconds
Fuel Injected Models
Pressure
Delivery 35-45 psi (2.5-3.2 kg/cm2 )
Working 39-49 psi (2.7-3.4 kg/cm2 )
Volume 1 pint (.5L) in 30 seconds
(1) 5.0L with fuel flow sensor and 5.0L 4 Bbl. Mustang and Capri have a 7-9 psi fuel pump.
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