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Home >> Lexus >> 2003 >> GS 430 >> Repair and Diagnosis >> Engine Performance >> Specifications >> SFI (3UZ-FE) - Service Specifications >> Service Data
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Service Data

SFI SERVICE SPECIFICATIONS (3UZ-FE)

Fuel pressure regulator Fuel pressure 304 - 343 kPa (3.1 - 3.5 kgf/cm2 , 44-50 psi)
Fuel pump Resistance at 20°C (68 °F) 0.2-3.0 ohm
Injection Resistance at 20°C (68°F) 13.4-14.2 ohm
Injection volume 60 - 73 cm3 (3.7 - 4.5 cu in.) per 15 seconds
Difference between each cylinder 13 cm3 (0.8 cu in.) or less
Fuel leakage 1 drop or less per 12 minutes
Air flow meter Resistance (THA - E2) at -20 ° C (-4 ° F) 13.6-18.4 kohm
at 20°C (68°F) 2.21 - 2.69 kohm
at 60°C (140°F) 0.49 - 0.67 kohm
Throttle body Throttle body fully closed angle
Throttle position sensor Resistance (VC - ETA) at 20°C (68°F) 1.25-2.35 kohm
Accelerator pedal position sensor Resistance (Vcp1 - Ep1 ), (Vcp2 - Ep2 ) at 20°C (68°F) 1.5-6.0 kohm
Throttle control motor Motor resistance at 20°C (68°F) 0.3-100 ohm
Camshaft timing oil control valve Resistance at 20°C (68°F) 6.9-7.9 ohm
VSV for EVAP Resistance at 20°C (68°F) 30 - 34 ohm
VSV for ACIS Resistance at 20°C (68°F) 33 - 39 ohm
VSV for canister closed valve (CCV) Resistance at 20°C (68°F) 24 - 30 ohm
VSV for pressure switching valve Resistance at 20°C (68°F) 33 - 39 ohm
ECT sensor Resistance at-20°C (-4°F) 10-20 kohm
0°C(32°F) 4-7 kohm
20°C (68°F) 2-3 kohm
40°C (104°F) 0.9 - 1.3 kohm
60°C (140°F) 0.4-0.7 kohm
80°C (176°F) 0.2-0.4 kohm
Vapor Pressure sensor Power source voltage 4.5-5.5 V
Heated oxygen sensor Heater coil resistance at 20°C (68°F) 11 -16ohm
VVT sensor Resistance Cold 835 - 1,400 ohm
Hot 1,060 - 1,645 ohm
Fuel cut rpm Fuel return rpm 1,400 rpm