LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Isuzu >> 1993 >> Stylus Automatic >> Repair and Diagnosis >> Engine Performance >> Engine Controls - Specifications >> Fuel System >> Fuel Pump
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Fuel Pump

FUEL PUMP PERFORMANCE (CARBURETED)

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

Application Unregulated Pressure psi (kg/cm2 ) Regulated Pressure psi (kg/cm2 )
Amigo & Pickup
2.6L (1)(2) 42 (2.9) (3) 35 (2.4)
3.1L N/A 9-13 (.62-.91)
Rodeo
2.6L (1)(2) 43 (3.0) (3) 36 (2.5)
3.2L N/A 9-13 (.62-.91)
Stylus (4) 35-42 (2.4-2.9) (5) 25-30 (1.7-2.1)
Trooper (4) 41-46 (2.8-3.2) (5) 25-30 (1.4-2.4)
(1) With Vacuum Switching Valve (VSV) connector unplugged and pressure regulator vacuum hose disconnected.
(2) With pressure regulator vacuum hose connected, 12 volts applied to Blue wire terminal and Black wire terminal grounded of VSV.
(3) With pressure regulator vacuum hose connected and Vacuum Switching Valve (VSV) disconnected.
(4) With ignition on and vacuum hose disconnected from pressure regulator.
(5) With engine at idle or with 12-14 in. Hg vacuum manually applied to pressure regulator.