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.
2004 Lexus LS 430FACTORY OEM SERVICE PROCEDURE
Service Data
Service Data
| Fuel pressure | 304 to 343 kPa (3.1 to 3.5 kgf/cm2 , 44 to 50 psi) | |
| Fuel pressure | 147 kPa (1.5 kgf/cm2 , 21 psi) or more | |
| Fuel injector | Β | |
| Resistance | at 20Β°C (68Β°F) | 13.4 to 14.2 Ξ© |
| Injection volume | 60 to 73 cm2 (3.7 to 4.5 cu in.) per 15 seconds | |
| Difference between each cylinder | 13 cm3 (0.9 cu in.) or less | |
| Fuel leakage | 1 drop or less per 27 minutes | |
| Fuel pump | Β | |
| Resistance | at 20Β°C (68Β°F) | 0.2 to 3.0 Ξ© |
Factory Service Tools
Use the Manual With the Right Hardware
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- β’ You smell fuel, burning insulation, or see smoke.
- β’ Brakes feel soft, pull hard to one side, or make grinding noises.
- β’ The engine overheats, stalls repeatedly, or misfires under load.
- β’ You are missing required tools, torque specs, or safe lifting equipment.
- β’ You are not confident in the next step or safety outcome.
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