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Home >> Isuzu >> 1989 >> Trooper XS, 2.8 R >> Repair and Diagnosis >> Engine Performance >> Specifications >> Fuel System >> Fuel Pump (Fuel Injected)

Fuel Pump (Fuel Injected)

FUEL PUMP PERFORMANCE

Model/Application (1) Unregulated Pressure psi (kg/cm2 ) (2) Regulated Pressure psi (kg/cm2 )
2.6L 4-Cyl 42 (3.0) 35 (2.5)
2.8L V6 N/A 9-13 (.62-.91)
(1) With fuel pressure regulator vacuum hose disconnected and plugged.
(2) With vacuum hose connected to pressure regulator.
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