LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Lexus >> 2000 >> ES 300 >> Repair and Diagnosis >> Engine Performance >> Specifications >> Engine Controls - Service & Adjustment Specifications >> Fuel System >> Fuel Pump
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Fuel Pump

FUEL PUMP PERFORMANCE

Application (1) Pressure psi (kg/cm2 )
ES300, GS300, GS400, LS400, RX300, SC300 & SC400 44-50 (3.1-3.5)
LX470 38-44 (2.7-3.1)
(1) Check fuel pressure with engine off and using scan tool connected to data link connector No. 3 with ignition on to activate fuel pump or by connecting battery voltage to terminals on electric fuel pump.
REGULATED FUEL PRESSURE

Application At Idle W/Vacuum psi (kg/cm2 ) At Idle W/O Vacuum psi (kg/cm2 )
ES300, GS300, GS400, LS400, RX300, SC300 & SC400 (1) (1)
LX470 28-34 (2.0-2.4) 38-44 (2.7-3.1)
(1) Fuel pressure should be 44-50 psi (3.1-3.5 kg/cm2 ) with engine idling. Fuel pressure regulator is not vacuum controlled, as fuel pressure regulator is mounted on electric fuel pump in the fuel tank.
FUEL PUMP RESISTANCE

Application Ohms @ 68°F (20°C)
All Models .2-3.0
scientia non olet · About LEMON Manuals