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Home >> Lexus >> 2005 >> GS 430 >> Repair and Diagnosis >> Engine Performance >> Specifications >> SFI System - Service Specifications >> SFI System (3UZ-FE) >> Service Data
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Service Data

SFI System Service Data Chart (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 Ω
Injector Resistance at 20°C (68°F) 13.4 - 14.2 Ω
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 kΩ
at 20°C (68°F) 2.21 - 2.69 kΩ
at 60°C (140°F) 0.49 - 0.67 kΩ
Throttle body Throttle body fully closed angle
Throttle position sensor Resistance (VC - ETA) at 20°C (68°F) 1.25 - 2.35 kΩ
Accelerator pedal position sensor Resistance (Vcp1 - Ep1 ), (Vcp2 - Ep2 ) at 20°C (68°F) 1.5 - 6.0 kΩ
Throttle control motor Motor resistance at 20°C (68°F) 0.3 - 100 Ω
Camshaft timing oil control valve Resistance at 20°C (68°F) 6.9 - 7.9 Ω
VSV for EVAP Resistance at 20°C (68°F) 30 - 34 Ω
VSV for ACIS Resistance at 20°C (68°F) 33 - 39 Ω
VSV for canister closed valve (CCV) Resistance at 20°C (68°F) 24 - 30 Ω
VSV for pressure switching valve Resistance at 20°C (68°F) 33 - 39 Ω
ECT sensor Resistance at -20°C (-4°F) 10 - 20 kΩ
0°C (32°F) 4 - 7 kΩ
20°C (68°F) 2 - 3 kΩ
40°C (104°F) 0.9 - 1.3 kΩ
60°C (140°F) 0.4 - 0.7 kΩ
80°C (176°F) 0.2 - 0.4 kΩ
Vapor Pressure sensor Power source voltage 4.5 - 5.5 V
Heated oxygen sensor Heater coil resistance at 20°C (68°F) 11 - 16 Ω
VVT sensor Resistance Cold 835 - 1, 400 Ω
Hot 1, 060 - 1, 645 Ω
Fuel cut rpm   Fuel return rpm 1, 400 rpm