Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
2007 Lexus LS 460FACTORY OEM SERVICE PROCEDURE
Service Data
1UR-FSE FUEL - SERVICE DATA
| Low pressure side fuel pressure | 196 to 588 kPa (2 to 6 kgf/cm2 , 28 to 85 psi) |
| Low pressure side fuel pressure: Remains as specified for 5 minute after engine stopped | 147 kPa (1.5 kgf*cm2 , 21 psi) or more |
| High pressure side fuel pressure: At engine warm up and idle | 3.5 to 4.5 MPa (35.7 to 45.9 kgf/cm2 , 508 to 653 psi) |
| Injector (port injection side) | Resistance: 11.6 to 12.4 Ω at 20°C (68°F) |
| Injector (port injection side) | Injection volume: 76 to 91 cm3
(4.6 to 5.6 cu in.) per 15 seconds Difference between each injector: 15 cm3 (1.0 cu in.) or less Fuel leakage: 1 drop or less in 25 minutes |
| Injector (Direct injection side) | Resistance: 2.01 to 2.31 Ω at 20°C (68°F) |
| Fuel pump (low pressure side) | Resistance: 0.2 to 3.0 Ω at 20°C (68°F) |
| Fuel pressure sensor: Apply 5 V between terminals 3 and 1 | Terminal 2 and 1 voltage: 0.5 V |
| High pressure side fuel pump | Resistance: 1.19 to 1.39 Ω at 20°C (68°F) |
| Fuel pump resistor | Resistance: 0.30 to 0.34 Ω at 20°C (68°F) |
Factory Service Tools
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.
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