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 GS 430FACTORY OEM SERVICE PROCEDURE
Service Data
SERVICE DATA
| Fuel pressure | 304 to 343 kPa (3.1 3.5 kgf/cm2 , 44 to 50 psi) |
| Fuel pressure : at fuel pressure remains for 5 minutes after engine has stopped |
147 kPa (1.5 kgf/cm2 , 21to 50 psi) or more |
| Fuel injector assembly | Resistance: 13.4 to 14.2 Ωat 20°C (68°F) Injection volume: 60 to 73 cm3 (3.7 to 4.5 cu in.) per 15 seconds Difference between each injector volume: Injection volume: 13 cm3 (0.8 cu in.) or less |
| Fuel pump assembly | Resistance: 0.2 to 3.0 Ω at 20°C (68 °F) |
| Fuel pump resistor | Resistance: 0.53 to 0.57 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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