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.
2005 Lexus GX 470FACTORY OEM SERVICE PROCEDURE
Service Data
SERVICE DATA TABLE - FUEL
| Fuel pressure | 265 to 304 kPa (2.7 to 3.1 kgf/cm2 , 38 to 44 psi) | |
| Fuel pressure | 147 kPa (1.5 kgf/cm2 , 21 psi) or more | |
| Fuel injector | ||
| Resistance | at 20°C (68°F) | 13.4 to 14.2Ω |
| Injection volume | 56 to 69 cm2 (3.4 to 4.2 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 | |
| Fuel pump resister | ||
| Resistance | at 20°C (68°F) | 0.70 to 0.76 Ω |
| Fuel pump | ||
| Resistance | at 20°C (68°F) | 0.2 to 3.0 Ω |
| Fuel pump relay assy | ||
| Specified condition | 1 - 2 | Continuity |
| 3 - 4 | Continuity | |
| 3 - 5 | No continuity | |
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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